WebDec 30, 2013 · Ethanol’s lower energy density leads to worse gas mileage, which is why using E85 (E85 is 85 percent ethanol) in cars with a fuel system that accommodate it is usually a bad idea. The math ... WebFinally, here's a nice irony: to increase gas' octane rating, companies add ethanol, when they're mixing up a batch of premium fuel. Interestingly, ethanol actually contains less energy than untreated gas, so the net result from the ethanol component is a reduction in your MPG. Other premium additives, however, have the reverse effect, and ...
Another Reason Your Mileage May Vary (for the Worse): Ethanol
WebApr 21, 2024 · “The difference between 10% ethanol which is what most gasoline is sold as regular as blended with up to 10% ethanol, going from that to a product like e 15, which … WebMar 1, 2012 · Ethanol, used as an extender in much of our gasoline, is also an octane enhancer. Blended at a minimum of around 6 percent, its pump stickers state "up to 10 percent ethanol" to account for ... how do you cook pig ears
Does Ethanol Really Reduce Your Gas Mileage? - AxleAddict
WebOct 1, 2009 · A: Ethanol has approximately 2/3 the energy content of gasoline. Vehicles running on E85, a mixture of 85% ethanol and 15% gasoline, routinely see a 20-30% … WebMay 19, 2012 · I pay 5% more for eth-free gas, but get 40% better mileage. That’s a 35% net gain. 170 miles more per tank. If your gas mileage stinks, I’d highly recommend switching to eth-free gas for a couple tanks and check your mileage for each tank. WebEthanol has a much higher octane rating (about 109) than gasoline. Refiners usually blend ethanol with gasoline to help boost its octane rating—most gasoline in the U.S. contains … how do you cook perch fish