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It does [0]. "Due to ethanol's lower energy content, FFVs operating on E85 get roughly 15% to 27% fewer miles per gallon than when operating on regular gasolin
by windexh8er 3y ago
It does [0].
"Due to ethanol's lower energy content, FFVs operating on E85 get roughly 15% to 27% fewer miles per gallon than when operating on regular gasoline, depending on the ethanol content. Regular gasoline typically contains about 10% ethanol."
[0] https://www.fueleconomy.gov/feg/ethanol.shtml https://www.fueleconomy.gov/feg/ethanol.shtml
- joshyeager 3y agoThat link is about E-85. E-85 is 85% ethanol (actually 60%-85% depending on the season and the gas station). Ethanol has 30% less energy density than pure gasoline, so E-85 has 0.3*0.85=0.255 less energy density than pure gasoline. That is why E-85 gets 25% lower gas mileage. "Standard" E-10 gasoline contains between 0% and 10% ethanol. E-15 is 15% ethanol. So E-15 has at most 4.5% less energy density than standard gasoline. You would not see a 25% decrease in gas mileage between standard gas and E-15.