QUICK LINKS. Therefore, as with all products with a vapor ... • Figure 1 shows a solution of ethanol and water, you can see how the two are completely miscible. Fuels with high octane numbers are used in high performance gasoline engines. It is also typically offered at a lower price. Sunoco Optima 95 Octane, Unleaded Racing Fuel is the optimum ethanol free fuel for limited use engines of all sizes. E10, a fuel mixture of 10% anhydrous ethanol and 90% gasoline sometimes called gasohol, can be used in the internal combustion engines of most modern automobiles and light-duty vehicles without need for any modification on the engine or fuel system. It is stabilized for year round use as well as long term storage. Ethanol is a renewable fuel made from various plant materials collectively known as "biomass. "More than 98% of U.S. gasoline contains ethanol, typically E10 (10% ethanol, 90% gasoline), to oxygenate the fuel, which reduces air pollution.. Ethanol is also available as E85 (or flex fuel), which can be used in flexible fuel vehicles, designed to operate on any blend of … You may have heard of E85, which contains 85% ethanol. Those model years represent more than 90% of vehicles on U.S. roads. Blending ethanol into pump gas will slow the combustion process and reduce the likelihood of engine knock. The Octane Rating in the calculator is using (R+M)/2 values. Octane number is also known as octane rating. Ethanol has a higher octane rating than hydrocarbons and also ignites at much higher temperatures. Ethanol has a much higher octane rating (about 109) than gasoline. From the 1st September the government have mandated that all regular grade unleaded will contain 10% ethanol. E10 is regular unleaded petrol blended with between 9% and 10% ethanol. E15 is a fuel blend of 15% ethanol and 85% gasoline, as opposed to E10 (the most commonly used gas in the United States), which contains 10% ethanol and 90% gasoline, according to the Iowa Renewable Fuels Association. Octane numbers are based on a scale on which isooctane is 100 (minimal knock) and heptane is 0 (bad knock). ... E85 is a blend of between 70% and 85% ethanol and unleaded petrol, with an octane rating of 105. approximately -45°F, varying with octane rating. 7 Ethanol and Charge Cooling The octane rating is a measure of the resistance of gasoline and other fuels to detonation (engine knocking) in spark-ignition internal combustion engines. The higher the octane number, the more compression required for fuel ignition. This fuel has a higher octane rating than regular 87 octane fuel, offering your engine a boost, and it burns cleaner than regular unleaded, improving our air quality and reducing greenhouse gas emissions. It also reduces gas emissions and enhances overall engine horsepower rating. A little of this liquid goes a long way, so you can maintain … Email sales@tunedbyzfgracing.com. E15 is a higher octane than E10, typically marketed as 88 octane as opposed to E10, which is 87. This means fewer emissions, which is better for the environment. Synergy Unleaded with E10 will be available at all sites in the UK. Learn what is an octane rating and what the best octane rating is for small engines in this small engine gasoline guide, put together by experts from Power Equipment Direct. Result: Octane Rating. E15, often sold at the pump as Unleaded 88, for its octane rating, can safely be used in all cars, trucks and SUVs from 2001 on. E10 blends are typically rated as being 2 to 3 octane numbers higher than regular gasoline and are approved … E85 Octane. The foam is just a result of the agitation. 3. Unleaded 88, also known as E15, consists of 15% ethanol and 85% gasoline. As technology is figuring out more ways to make machines and the world less dependent on fossil fuels and run more efficiently on alternative energy, the tide could be turning for pure oil users. The equivalent octane of E85 can be from 105 to 109 or so. You can use your octane value (like RON), the answer will be in your octane value. Racing fuels, AvGas, LPG, and alcohol fuels such as methanol or ethanol can have octane ratings of 110 or significantly higher - ethanol's RON is 129 (MON 102, AKI 116). 76 ® E85, also called flex fuel, is a blend of ethanol and gasoline designed for use only in flex-fuel vehicles. Fuel ethanol is used to enhance the octane rating of gasoline. Running an average of 21 mpg on E10 fuel, a driver would be able to go about 546 miles on one tank. Refiners usually blend ethanol with gasoline to help boost its octane rating—most gasoline in the U.S. contains up to 10% ethanol. Terms & Conditions. ... Gas Octane. MINIMUM OCTANE RATING (R+M)/2 METHOD PLUSREGULAR HIGH OCTANE FUELPREMIUM RON 91 RON 93 RON 95 RON 100 MINIMUM OCTANE RATING (R+M)/2 METHOD MINIMUM OCTANE RATING ... 20-40% ethanol -Octane BOB Regular Gasoline Premium Gasoline . As a result, the “effective” octane rating of VP’s fuels is even higher than the octane test indicates, and they will prevent detonation better than competitive fuels with similar MONs. Members. Blends of up to 15% ethanol are available in some areas, and several manufacturers approve using this blend in recent-model vehicles. To put that simply, higher octane gas resists detonation, so it burns rather than exploding. And since 87 is the standard octane rating for the fuel most engines use today, the 89 and 93 octane rated fuels are only different because they can handle more heat and pressure before igniting on their own. Ethanol is made from renewable resources, generally derived from crops like corn and sugar cane. The equivalent octane of 100% ethanol is around 113-115. It raises octane rating by 30 points or 3 numbers in total; Cons. The ethanol industry says the fuel is one of the most tested in history and has no effect on vehicle drivability. Gallons of Gas. For any flex-fuel vehicle, this product can be considered a “drop in” fuel (no engine modifications necessary). Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic chemical compound. ... What is octane? E10 is a safe and reliable fuel, compatible with the majority of petrol-powered cars on the road today. Text (715) 600-3447. Regular gasoline has a lower octane rating than ethanol, so it is not ideal for these kinds of engines. ... Ethanol is mixed with gasoline in a proportion, typically 10 or 15 percent. Stoichiometric Ratio. Gasoline has a vapor density between 3 and 4. E10 or less. Gallons of E85. It increases the octane rating up to 116 and comes in a bottle of 32 ounces. 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