12 ms·
It lowers actual octane rating, thus increasing air pollution ever so slightly. An engine designed entirely for ethanol, not one that just merely takes a mix b
by DiabloD3 8y ago
It lowers actual octane rating, thus increasing air pollution ever so slightly.
An engine designed entirely for ethanol, not one that just merely takes a mix but is meant for gasoline, would be higher efficiency and be worth it.
- laurencerowe 8y agoEthanol has a higher octane rating (113 RON) than petroleum, but is less energy dense (so lowers mpg.)