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For E85 (85% ethanol), the effect becomes significant. E85 produces lower mileage than gasoline, and requires more frequent refueling. Actual performance may vary depending on the vehicle. Based on EPA tests for all 2006 E85 models, the average fuel economy for E85 vehicles was 25.56% lower than unleaded gasoline. [37]
However, E85 can further reduce emissions of certain pollutants as compared to conventional gasoline or lower-volume ethanol blends. For example, E85 is less volatile than gasoline or low-volume ethanol blends, which results in fewer evaporative emissions.
The 85% limit in the ethanol content was set to reduce ethanol emissions at low temperatures and to avoid cold starting problems during cold weather, at temperatures lower than 11 °C (52 °F). [116] A further reduction in the ethanol content is used during the winter in regions where temperatures fall below 0 °C (32 °F) [ 117 ] and this ...
Because ethanol contains close to 34% less energy per unit volume than gasoline, E85 FFVs have a lower mileage per gallon than gasoline. [ 23 ] [ 24 ] However, this lower energy content does not translate directly into a 34% reduction in miles per U.S. gallon, because there are many other variables that affect the performance of a particular ...
The engine powers the air conditioner on most cars, which means that running the AC burns fuel, reducing gas mileage by 1 to 4 mpg. And the hotter it is out there, the more energy your vehicle's ...
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. In line with the observations in Japan, hydrous ethanol is known to be less corrosive than anhydrous ethanol.
As gas prices rise, you can boost your car's fuel efficiency and save money in the process with these simple tricks, including keeping tires properly inflated and avoiding congested roads.
9 smart ways for seniors and mature drivers to save on car insurance