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E10 became the standard fuel at petrol stations in the United Kingdom as of September 2021. [10] E10 was introduced nationwide in Thailand in 2007, and replaced 91 octane pure gasoline in that country in 2013. [11] E10 is commonly available in the Midwestern United States.
A common ethanol-gasoline mix of 10 percent ethanol mixed with gasoline is called gasohol or E10, and an ethanol-gasoline mix of 85 percent ethanol mixed with gasoline is called E85. The most extensive use of ethanol takes place in Brazil, where the ethanol is derived from sugarcane.
Scientific evidence reveals that water is an inhibitor for corrosion by ethanol. [6] The experiments are done with E50, which is more aggressive and speeds up the corrosion effect. It is very clear that by increasing the amount of water in fuel ethanol one can reduce corrosion. At 2% or 20,000 ppm water in the ethanol fuel the corrosion stopped.
Australia: "regular" unleaded fuel is 91 RON, "premium" unleaded with 95 RON is widely available, and 98 RON fuel is also very common. Shell used to sell 100 RON fuel (5% ethanol content) from a small number of service stations, most of which are located in major cities (stopped in August 2008).
Regular Unleaded Mid-Grade Unleaded Premium Unleaded Notes Alabama: 87 89 93 Alaska: 87 88.5 90 Arizona: 87 89 91 Arkansas: 87 89 91/93 Northwest Arkansas primarily sells 87/89/91 octane. 93 octane is available at select Kum & Go's in the Northwest and Central regions of the state. California: 87 89 91 Colorado: 85 87 91 Connecticut: 87 89 93
They are used primarily in city buses, but also in distribution trucks and waste collectors. The engines, made by Scania, have a modified compression ratio, and the fuel (known as ED95) used is a mix of 93.6% ethanol and 3.6% ignition improver, and 2.8% denaturants. [57]
The ethanol-powered "flex" vehicles, as they are popularly known, are manufactured to tolerate hydrated ethanol , an azeotrope composed of 95.6% ethanol and 4.4% water. [21] The Honda CG 150 Titan Mix was launched in the Brazilian market in 2009 and became the first mass production flex-fuel motorcycle sold in the world.
Picture showing E0 100% gasoline at $1/gallon more than E10 Regular Unleaded. At this same Saugatuck, MI Shell station, E85 was an additional $1/gallon below regular ($2/gallon below ethanol-free Rec-90). As debate has ensued over ethanol blending in gasolines, ethanol-free has popped up in a number of states marketed as Rec-90 Recreational ...