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How Much Ethanol Does Regular Gas Have?

January 24, 2024 by David Evans

How Much Ethanol Does Regular Gas Have? Regular gasoline sold in the U.S. usually contains up to 10 percent ethanol. A federal mandate limits the amount of 100-percent gasoline on the market. When drivers use E10 or E15 instead of pure gasoline, they will notice a decrease in miles per gallon. How much ethanol does

When Did They Start Putting Ethanol In Gas?

January 24, 2024 by Sophia Kim

When Did They Start Putting Ethanol In Gas? The first ethanol blended with gasoline for use as an octane booster occurred in the 1920s and 1930s, and was in high demand during World War II because of fuel shortages. When did ethanol become mandatory? Congress enacted the ethanol mandates (RFS) in 2005 and then aggressively