Premium 98 is suitable for all vehicles that operate on Unleaded petrol. When you access this website your data will be processed and stored in the United States. Youre always getting Top Tier gas at Costco, regardless of whether you buy regular or premium grades of fuel. Premium Diesel is suitable for all diesel engines, in both automotive and industrial applications. The two preferred fueling system providers for Speedway are Gilbarco and Dresser Wayne. Most modern engines have sensors to detect knocking. All All 76 ARCO AXION Aloha Beacon Breakaway CITGO Cenex Chevron Co-op Conoco Costco Wholesale CountryMark CountryMark PLUS Diamond Shamrock EcoMaxx Energy Express Mart - Wisconsin Exxon Fast Fuel G500 Gulf HFN - Hawaii Fueling Network Harmons Fuel Stop Hele Holiday Kirkland Signature Gasoline . Lesson plans, science fair experiments, field trips, teacher guide, and career corner. Regular gasoline is usually 87 octane, premium fuel is 91 or 93 octane, and midgrade . No, explains Zachary J. Santner, technical specialist at Sunoco Race Fuels. Reviews. Just because a fuel retailer is not Top Tier does not mean its products are of poor quality. Aloha Petroleum, Amoco, ARCO, Beacon, BP, Breakaway, Break Time, Cenex, Chevron, CITGO, Costco, CountryMark, Diamond Shamrock, Entec, Esso, Express Mart, Exxon, Fast Fuel, HFN, Hele, Holiday, Kwik Star, Irving, Kirkland Signature, Kwik Star, Kwik Trip, Marathon, Metro Petro, MFA, Mobil, Ohana Fuels. Reserves, production, prices, employment and productivity, distribution, stocks, imports and exports. All grades of a brand's fuel most be treated with a Top-Tier-approved additive . Auto LPG fuel octane ratings over 100 allow for higher compression ratios, which can increase power output. Our quality gasoline meets or exceeds all Federal, DEP, EPS and auto manufacturer requirements. Thats why the worlds top race car drivers have fueled their wins with Sunoco for over 50 years. This is why most high-performance engines require higher-octane fuelsin the simplest of terms, these fuels are more compatible with increased cylinder pressures, whether theyre due to the compression ratio, engine speed or boost pressure. Because Costcos low gas prices and other great deals on everything from electronics to food entice new customers to sign up, the chain can afford to price its merchandise and services much lower than competitors. Although they both may have come from the same oil company, they are now two separate entities with different management and ownership. Speedway is a Top Tier gasoline licensee, and all retail locations must adhere to those standards. New comments cannot be posted and votes cannot be cast. The (R+M)/2 you see on the label refers to the average of the research octane number (RON) and the motor octane number (MON) ratings. I have yet to see any conclusive, independent evidence that 'top tier' additive packages actually mean anything other than marketing. A minimum 82 octane fuel is recommended for most vehicles produced since 1984. $3.318. Youre driving home, and the gas light draws your attention. Energy-Related Carbon Dioxide Emissions, Energy-Related Carbon Dioxide Emissions at the State Level, through 2018, Monthly Crude Oil and Natural Gas Production, Annual Solar Photovoltaic Module Shipments Report, Midwest and Rocky Mountain Transportation Fuels Markets, East Coast and Gulf Coast Transportation Fuels Markets. So if you found a refueling station that has 93 octane that isn't listed, please share it with me, and I'll share it with the world. The two leading ethanol producing countries are the US and Brazil. Restore the performance of your engine with our best performing Unleaded grade. International energy information, including overviews, rankings, data, and analyses. The octane requirement of an engine varies with compression ratio, geometrical and mechanical considerations, and operating conditions. We are Reddit's central hub for vehicle-related discussion including industry news, reviews, projects, videos, DIY guides, stories, and more. This can result in reduced maintenance costs. Biodiesel, renewable diesel, and other biofuels, car manufacturers have been requiring or recommending premium gasoline, difference in prices between premium and lower octane grades, Analysis of Octane Costs: November 28, 2018, Motor Fuels: Understanding the Factors That Influence the Retail Price of Gasoline. Top Tier fuel has a minimum level of detergency that well-exceeds . Chevrolet Traverse. The second definition of octane refers to the amount of energy required to ignite the gasoline. Premium gas has ethanol as one of its additives. To determine the MON the fuel is tested under the more stressful conditions of higher air temperature and engine speed. Get the most out of your engine, and your journey, with Exxon and Mobil SynergyTM gasoline and diesel. Table Of Contents show. Chevron is also top tier. It's off . Oil is an important source of revenue for both companies. By using a gasoline with a higher concentration of detergent, you can help to prevent these deposits from forming in the first place. So we ran a few common ones past Zachary J. Santner, technical specialist at Sunoco Race Fuels. As there are lower emissions compared to conventional fuels, LPG gas is recognised as being more environmentally-friendly reducing your overall carbon footprint. *Fuel economy improvement is based on Synergy-branded gasoline compared to gasoline meeting minimum U.S. government standards. A mix of air and fuel runs along the spark plug, then the flame will catch and expand and will eventually set the remaining air and fuel on fire. Consequently, when the container is not placed on the ground for filling, its static electricity could be discharged and result in a fire when filling begins. To qualify as Top Tier, a brand of gasoline must meet the following standards: All retail locations of the brand must retail the same quality of fuel. Typically, gas stations in the USA supply gas with an octane rating that goes from 94 to 97. In addition, 7-Eleven has plans to rebrand some Speedway locations to the 7-Eleven name. Always refer to your owners manual before using LPG Autogas. Though octane level is not an indication of fuel quality, many vehicles do require a particular grade of gasoline, so be sure to check your owner's manual. Volusia County Speedway. Price? Or where/hoe it's stored and critters moving in (2nd time in 3 months red squirrels decided to nest under the hood of the tractor). The first is the brand of gas the station offers. Short, timely articles with graphics on energy, facts, issues, and trends. By continuing to visit or interact with our website, you consent to the use of cookies and similar technologies as described in our Privacy Policy. One more thing. View our Privacy Notice. NPFA: 30A states: DO NOT ALLOW INDIVIDUALS UNDER LICENSED AGE TO USE THE PUMP. Always refer to your owners manual before using Diesel fuel. Our best performance fuel for diesel vehicles, Speedway Premium Diesel actively cleans your tank for optimal power and efficiency. Convenience Stores. Is Speedway gasoline fine even if its not top tier? At this point I'd be more concerned about letting it sit 5+ months with any brand gasoline in the tank. Your car, truck, or SUV - new or used - is one of the most expensive purchases you'll ever make. A self-taught DIYer, Tammy loves nothing more than tackling a new project in her own home. Ethanol is added to premium gas to raise the octane level and differentiate it from the low-octane regular gas. Portable containers can build up a static electric charge during transport. Its the biggest convenience store chain located in central Ohio. It consists of a blend of 10% ethanol and 90% unleaded petrol, increasing its Research Octane Number (RON) to 94. Always refer to your owners manual before using Premium Unleaded 95. Subscribe to feeds for updates on EIA products including Today in Energy and What's New. Over time, deposits can build up on intake valves and combustion chambers, which can lead to decreased performance and fuel economy. Lower octane gas burns quicker than higher octane, and so require less energy to ignite. Come test out some of the products still in development and let us know what you think! The company is a subsidiary of Marathon Petroleum, which is one of the largest oil refiners in the country. There is a separate tank for AdBlue which is generally located next to the fuel tank. However, some carmakers found that the EPA-required minimum was not enough to prevent build-up and deposits from happening in their engines. This technology has been adopted by vehicle manufactures to help meet the latest requirements on diesel engine emissions. With 94 octane, it delivers the highest octane rating of any retail fuel on the mass market in the U.S., combined with Top Tier detergency to help make your engine run cleaner, longer, and more efficiently. Such carbon deposits are known to reduce fuel economy, increase emissions and negatively impact vehicle performance, particularly on newer vehicles. What states are Speedway gas stations in? Lower performance vehicles dont require premium fuel and will only waste your money. From drag racing to drifting, they continue to trust our high-quality performance fuel every weekend. Blended to help cars perform their best, Premium 95 Octane deters carbon deposits and helps reduce fuel consumption: improving engine performance and efficiency. It provides unrivaled gunk and corrosion protection, as well as superior wear protection. Whether its fuel for your car, motorbike, truck or lawnmower, our extensive range of high-performing fuels have got you covered. We understand that customers cannot afford to compromise on quality, which is why Speedway fuel is backed by our Speedway Quality . In 1999, they merged with Exxon to form Exxon Mobile, making it one of the largest oil companies in the entire world. This test is similar to the way the mass of an object can be determined by comparing it to objects (references) of known mass on a balance scale. EIA's free and open data available as API, Excel add-in, bulk files, and widgets. Many fuel stations now offer an 88-octane fuel blend that is 15% ethanol, suitable for use in some gasoline-powered automobiles from model year 2001 and newer. Be sure to check your owners manual for the recommended octane level for your vehicle. We're . Engines are designed to burn fuel in a controlled combustion. First seen in 2004, Top Tier certification meant the gasoline met the standards required by those car companies. AdBlue is a diesel exhaust fluid used in modern trucks that employ Selective Catalytic Reduction (SCR) technology. Gas Station Near Me. bp Regular E15 delivers the same cleanliness benefits as bp regular E10 fuels and boasts an octane rating of 88. Speedway is a gas station that is licensed to Top Tier gasoline. Download the Sunoco app today. . . Containers are to be approved design. 93 is widely available in the Chicago area. Check your owners manual to find out whether your vehicle needs. LPG gas is suitable for engines that comply with the Australian Liquefied Petroleum Gas Association specification. Is Speedway Top Tier Gas. Current designs (see image below) allow the same engine to perform both tests. The extremely unstable normal heptane (C7H16) molecule is the 0 octane reference fuel. Tools to customize searches, view specific data sets, study detailed documentation, and access time-series data. To determine the RON, the fuel is tested under engine idle conditions with a low air temperature and slow engine speed. What states are Speedway gas stations in? Then download the Speedway mobile app and turn your purchases into redeemable points for Speedy Rewards. The following link is an interesting read. Shell V-Power NiTRO+ Premium Gasoline is engineered with four levels of defense against gunk, corrosion, wear and friction to help keep your engine running like new.*. Uranium fuel, nuclear reactors, generation, spent fuel. Points? Privacy center (Do not sell or share my personal information), Synergy SUPREME+ Gasoline Octane 91-93. It is designed for motorists who want to restore and maintain engine power through active engine protection. Re: 1931 Fuel octane levels. Some vehicles are made to run on gasoline with a higher octane level. The short answer is that octane is the measure of how much compression a fuel can withstand before igniting. Maps, tools, and resources related to energy disruptions and infrastructure. 2023 Speedway LLC. Always refer to your owners manual before using Premium Unleaded 98. LPG, commonly called LPG Autogas, combines a blend of propane and butane to form a clean-burning liquified gas. It contains up to 15% ethanol, which is up to 50% more ethanol than our other E10 grades. List of U.S. states by standard octane ratings, Last edited on 19 December 2022, at 19:02, Learn how and when to remove this template message, "Connecticut Department of Consumer Protection", "Fuel & Measures FAQs - Ga Dept of Agriculture", http://www.lrc.state.ky.us/kar/302/079/010.htm, "2012 New York Consolidated Laws:: AGM - Agriculture & Markets:: Article 16 - (176 - 197-B) WEIGHTS AND MEASURES:: 192-A - Fuel octane labelling requirements", "Article 33-34: Petroleum and Fuel Products", "Code of Laws - Title 39 - Chapter 41 - Gasoline, Lubricating Oils and Other Petroleum Products", https://en.wikipedia.org/w/index.php?title=List_of_U.S._states_by_standard_octane_ratings&oldid=1128360633. This however doesnt mean that your vehicle needs it. 15 Unexpected GasBuick Envision Cars That Run On Premium-Grade. Energy use in homes, commercial buildings, manufacturing, and transportation. A flame starts at the spark plug and burns throughout the cylinder until all of the fuel in the cylinder is burned. 91 octane premium is sold at select stations alongside 93 octane. The Great American Survival Manual to The Almost Entirely Enjoyable Family Road Trip. Is all gas of the same quality? The large number on the yellow gasoline pump octane label is the minimum octane rating. Premium level fuels will have a higher- octane level that is usually sitting at about 91. E15 is a new fuel option made of 15 percent ethanol and 85 percent petroleum. Reddit and its partners use cookies and similar technologies to provide you with a better experience. The octane number is actually the simple average of two different octane rating methodsmotor octane rating (MOR) and research octane rating (RON)that differ primarily in the specifics of the operating conditions. Some customers have accused Speedway of charging higher prices for gas than its competitors. Per a AAA study that someone else posted here: Among brands tested, the use of non-TOP TIER gasolines resulted in up to 19 times more engine deposits than TOP TIER brands after just 4,000 miles of simulated driving. AAA also found Top . What fuels your adventure? With the highest octane rating of 98, Premium Unleaded performs improved engine capability and optimal fuel economy, as your engine will be operating at maximum efficiency. So Ive read about people only using gas stations that are top tier, and mostly use Exxon and Shell. 'Ole Henry never made any engines that needed a fuel additive made and promoted by rivals. What goes into your tank can matter for so many different reasons. They are a self service Gulf gas station along with the Gulf Express store and . It is important to note that Unleaded engines cannot operate on Diesel fuel, and vice versa. Use the camera on your phone to scan the QR code below to download our easy-to-use app to start saving at the pump, unlock exclusive deals and rewards, and complete fun challenges for the chance to win free gas today. Premium 98 octane petrol, also referred to as PULP 98, is the highest octane available in petroleum products with a Research Octane Number (RON) of 98. How Much Polyurethane Do You Need? However, there have been no complaints or reports about its products being of poor quality. Its a 91 ford, you can put any major gas brand in it and be fine. Ultratechhas the same detergent level as our NASCAR fuel and helps your car run cleaner, longer, and more efficiently. Sunoco Ultratech fuel meets both the demands of high-performance drivers and the specifications of the Top Tier Detergent Gasoline Program. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Historically, RON and MON were determined on separate testing machines specifically configured for each test. We must first look at the concept of preignition to understand what octane means. The simple answer is that they have a large number of loyal customers. This means that individual molecules hold carbon and hydrogen molecules. Regular use of a Top Tier fuel like Ultratech can help prevent deposits and help your engine run cleaner and perform at its best. Some cars should have a higher level of octane in their gas, but most standard vehicles on the road can do with regular just . Avg. Comprehensive data summaries, comparisons, analysis, and projections integrated across all energy sources. What Is The Difference Between Bonding And HardWall. Top 10 Best Octane Boosters You Can Buy. Think of it like octane ratings on gasoline. (904) 985-4402. http://www.thegasgame.com/speedway-effect/. https://www.aaa.com/AAA/common/AAR/files/Fuel-Quality-Full-Report.pdf. Minimum Octane Requirement. Most modern unleaded vehicles can operate on Premium 95. Discover what steps we take to ensure the quality of our fuels. These octane level numbers (87, 89, 91, etc.) See a problem? Answer: 90% of the gasoline sold in the USA has 10% ethanol added to reduce pollution. Due to its unique blend, Unleaded E10 is more renewable than regular unleaded grades as it offsets greenhouse gas emissions, decreasing your carbon footprint. So the higher the ethanol content, the higher the octane. Octane rating is the measure of a fuel's ability to resist "knocking" or "pinging" during combustion, caused by the air/fuel mixture detonating prematurely in the engine. 115. There is normally a sticker on the pump to identify is ethanol is present. The higher the octane number, the greater the fuel's resistance to knocking or pinging during combustion. Static electricity build-up occurs when a motorist slides across the vehicle seat when they re-enter their vehicle during refueling. Diesel. Typically, such labels are placed on or near the gasoline dispensers. The customer SHOULD NOT re-enter their vehicle during fueling. 85 octane must be sold with a warning label displayed at the pump. The two gas companies are now different after 7-Eleven acquired Speedway. Top Tier Fuel like Sunoco Ultratech is automaker-approved and recommended to help your engine run cleaner, longer, and more efficiently. Retail gasoline stations in the United States sell three main grades of gasoline based on the octane level: Regular (the lowest octane fuel-generally 87) Midgrade (the middle range octane fuel-generally 89-90) Premium (the highest octane fuel-generally 91-94) In 2021, we're unfortunately seeing much higher prices, which makes it tempting to switch to a . Its a decision that can have a lasting impact, both on your engine and your wallet. Speedway Gas Station Could Be Purchased by 7-Elevens Parent Company. Kwik Trip is proud to support farmers and offer E85 at many of our locations. 6/30/2015 Michael D. Clean & has Dunkin Donuts right inside!!! Top Tier gasoline is a designation given to gasolines that contain a higher concentration of detergent than what is required by the Environmental Protection Agency (EPA). You can also check the TOP TIER Licensed Brands lists below. On the other hand, Marathon Petroleum Corporation has been focusing on its core business of refining and selling gasoline since the sale of Speedway. are a percentage of the fuel's performance measured against pure (100%) octane. In addition to gasoline quality, we'll also give you details on which convenience stores have the best customer service, rewards programs, and snacks! Your hub for locating race fuel near you, learning the Sunoco Race Fuels history, and keeping up with racing news. Premium 98 delivers greater engine performance, higher engine power and less pollution through fewer emissions. Premium gas has different octane ratings, which are always displayed at gas stations. Average octane in 1930 was 60 RON. . We use cookies to enhance your experience on our website and improve the delivery of ads to you. If any of the air and fuel fires off too soon or leaks out before the flame before the spark plug ignites, it will cause an engine knock This sound is what you might hear from the engine while youre driving. But first, let's take a look at the definition of top-tier gas. . How much does a 8 week old cocker spaniel weight? No complaints or reports about the quality of Speedways gas have been made, so it is likely that the gas is of good quality. In Lake Buena Vista, FL, Speedway has broken in on the top nine cheapest prices at $3.53. 02/24/2023. All website features may not be available based upon your cookie consent elections. Speedway Gasoline WITH Ethanol - All Grades (Regular, Mid Grade, Premium) 0110SPE012.pdf: Gasoline: 86290-81-5: Speedway K 1 Kerosene: 0113SPE012.pdf: Kerosene: 64724-81-0: Speedway No 2 Ultra Low Sulfur Diesel: 0115SPE012.pdf: . There is regular, mid-grade, and premium gas. 2015 Speedway Towing & Roadside Assistance. Primary Reference Fuels (PRF) of precisely known octane are formed by combining iso-octane, heptane, and other well-known standards such as toluene. Who is it suitable for?Unleaded E10 is blended to meet the requirements of most modern engines, with a minimum Research Octane Number (RON) of 94. Gulf. Includes hydropower, solar, wind, geothermal, biomass and ethanol. Should store employees witness the filling of portable containers NOT on the ground or customer's re-entry of their vehicle during fueling, THEY ARE TO STOP THE SALE IMMEDIATELY, apologize for any inconvenience and inform the customer of proper procedures emphasizing our concern for their safety. BP/Amoco is not currently part of the Top Tier program. Click below to find your nearest location. We understand that customers cannot afford to compromise on quality, which is why Speedway fuel is backed by our Speedway Quality Guarantee. Were giving away hundreds of Speedway x PAC-MAN & Bandai Namco Entertainment Inc. prizes to power up your home arcade. /r/Cars is the largest automotive enthusiast community on the Internet. In addition, our Synergy Supreme+ premium gasoline contains higher levels of additive which, in addition to even better cleanliness, provides enhanced . Customers should discharge static electricity before fueling by touching a metal surface away from the nozzle and remain at the vehicle's fueling point even when using the nozzle's hold-open latch. This is the go to 93 octane finder! Want to take your game room to the next level? We're giving away hundreds of Speedway x PAC-MAN & Bandai . Despite this flexibility, many testers still prefer to use more than one machine with each specifically set up and calibrated to perform either RON or MON tests. It's just a few cents behind 7-Eleven and Wawa at $3.47 and $3.49 per gallon, respectively. To help provide the best possible experience, Premium 93). E85 gas (also known as flex fuel) is a high-level combination of ethanol and gasoline that consists of 51 percent to 83 percent ethanol blended with gasoline. A gasoline pump showing different grades of gasoline and octane ratings on the yellow labels. Speedway may not be a top tier grade, but they are at the top of the heap when it comes to price spikes. Never add AdBlue directly into your fuel tank. The octane rating for E15 (15% ethanol) is 88 octane and E85 (85% ethanol) is 108 octane. Can you drive alone with a permit Nevada? When the cars engine is running, tiny amounts of AdBlue are squirted onto the exhaust gas produced, turning the nitrogen oxide into nitrogen and water, reducing the level of oxides of nitrogen emitted from engines. . A similar undesirable condition is called pre-ignition, when the fuel ignites on its own before the spark ignites it. Speedway uses Marathon fuel, which is top tier. With the adoption of cleaner engine technologies, running a diesel engine now means producing fewer greenhouse emissions as it burns much slower than a vehicle using regular petrol. Filmmaker Bryan Rogala regularly explores off-road with few resources. Measured using industry standard and Shell proprietary tests. Which ben and jerrys has the most calories. Which also makes Texaco top tier because its now Chevron fuel. To put that simply, higher octane gas resists detonation, so it burns rather than exploding. 26-28 Cumberland Highway, Smithfield,NSW 2164, Australia. Give Speedway Towing & Roadside Assistance a call when you find yourself in a situation where you need help. The company, which was founded in 2021 as a subsidiary of Marathon Petroleum Corporation, had been a wholly-owned subsidiary. Some people might feel that premium gas is an unnecessary luxury, however, fueling up with a higher-quality gasoline really can impact your vehicle's fuel economy and engine responsiveness. This re-entry could result in the customer becoming charged with static electricity and in returning to the fueling point the static electricity could be discharged resulting in a fire. The button for the fuel indicated a 100 Octane level, whereas the Premium was 93. Since then we've discovered a host of other less problematic . In most areas of the United States, regular unleaded gasoline is 87 octane, midgrade is 89 and premium is 91 to 93. There's a Speedway a couple miles from my house that sells Cam2 110 octane leaded fuel from a pump. 105. There are standardized grade names so consumers can readily identify the grade and the octane of the gasoline. Considering that Americans fill up their vehicles around 11 billion times a year, the number of refueling fires caused by static discharge are extremely rare. Check Speedy Deals in our app daily for special coupons on drinks, snacks, and more! You can also check your cars owners manual. MA Reg. ARCO has a reputation for offering considerably lower prices for its fuel than other gas stations. Sign up for email subcriptions to receive messages about specific EIA products. New Jersey checks for fraudulent labeling of octane ratings. All National Avg. . Shale Unit. The additives composition, quantity, and quality are all proprietary. Premium 95 octane petrol is designed to be more fuel-efficient through reduced fuel consumption, smoother engine operation and improved driving performance. Why Is Your Zucchini Plant Stem Splitting? Now Im at college until May and the car is parked. As a result, the retail price of gasoline in 2015 hovered around $2.80 per gallon in order for there to be a profit. In the U.S., unleaded gasoline typically has octane ratings of 87 (regular), 88-90 (midgrade), and 91-94 (premium). Check out Tabithas tips on how using Ultratech fuel can help your familys road trips. All Rights Reserved. Because the higher-octane levels are the distinguishing feature, the only real benefit you get is lowering the risk of engine knocking, which isnt a big deal on most modern fuel systems. Everything was better then, right? In the United States and Canada, octane ratings are in AKI, commonly shown as "(R+M)/2". Using race gas can be as easy as finding a local gas station that happens to have a pump with 98 to 100 octane or even filling up at the local racetrack. You need to stop for gas. This page was last edited on 19 December 2022, at 19:02. U.S. Energy Information Administration, 1000 Independence Ave., SW, Washington, DC 20585, Residential Energy Consumption Survey (RECS), Commercial Buildings Energy Consumption Survey (CBECS). In conclusion, Chevron is the best gas station for quality gas. . Speedway Petroleum has a strong commitment to safety and compliance in all of our operations. Want to take your game room to the next level? Performance. Should you use the off brand gas or pay extra for a top brand? You must take whatever gasoline you can get if your tank is nearly empty on an interstate highway. The best way to avoid the problem is by not getting back into your vehicle during refueling. Gasoline pumps generally indicate the fuel ethanol content of the gasoline. Not even Sunoco is top tier which fucks peoples heads up, considering they sell race fuel. Finally, it is important to consider the location of the gas station. Before electric computerized ignition was widely used, this knocking commonly occurred and could cause significant engine damage. A Research Octane Number (RON) of 98 is generally a requirement for modern engines with advanced engine management systems. Different fuels have different combinations of hydrocarbons and octane is resistant to the spontaneous exploding. The 302 is a pretty stout motor so Im not too concerned but what Im reading is making me a bit nervous. The acquired stores will be rebranded as Speedway, though Marathon officials have stated that the company may retain the ARCO name on the West Coast and in Mexico. Our fuels adhere to the Fuel Quality Standards Act 2000 and our internal management system is aligned with ISO 9001. Access links from a compatible smartphone. These PRFs are used to bracket a given fuel sample to determine the pressure at which similar knock intensities are observed. Brand. Everything you need to get the most out of your ride. Premium gas must be at least 93 octane if it contains 10% or more of ethanol, 85 and 86 octane may be sold if labeled as subregular. Actual benefits will vary based on factors such as vehicle type, driving style and gasoline previously used.