2007-09-17 19:07:46 · 5 answers · asked by Anonymous in Cars & Transportation ➔ Car Makes ➔ Chevrolet
I'm not sure I understand the question--are you asking for the octane rating for gasoline that has ethanol, or are you asking "what is ethanol"?
I'm not sure of the exact octane rating if a gasoline contains ethanol.
Ethanol is a fuel additive that is made from corn. It burns cleaner than regular fuel.
Here in Iowa, super unleaded gasoline costs less than regular, because our super unleaded contains ethanol. I use it all the time and I've never seen anything negative in my car's perfomance.
Don't know if I answered your question, I hope I could help some.
2007-09-17 19:20:56 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Jahzeel,
Octane is a rating, a measure, if you will, as to the speed at which gasoline burns in your cylinders. Higher octane (91, 92, 94) is for performance cars only, and is much more expensive than regular 87 octane gasoline. A gasoline is formulated to meet a certain octane rating at the stands the tanker trucks fill their tanks with.
Whether a particular brand has ethanol (10%) has no bearing, in theory, on the octane level of the gasoline. The gasoline station is responsible under the law to ensure their fuels meet the octane stated at the pump regardless of ethanol presence. I see folks pumping higher octane (and thus higher-priced) gasoline because the gasoline is advertised as 10% ethanol, but it simply isn't necessary.
If your vehicle says use regular, use regular. By all means, if you can find gasoline blended without ethanol, buy it as it will yield better mileage, but as far as octane rating goes, pay the ethanol no mind.
2007-09-17 19:24:34 · answer #2 · answered by toocrazy2yoo 1 · 0⤊ 1⤋
If you're asking about gasoline that has ethanol added to it to increase the octane rating, yes they indeed do this and it works quite well. A fuel with a high octane rating resists decomposition into hydrogen and carbon when run in an engine with a high compression ratio. The hydrogen produced by this decomposition can be ignited by the heat of the compression itself, causing pre-ignition or knock, which damages the engine and generally makes things work poorly.
2007-09-17 19:18:19 · answer #3 · answered by 2n2222 6 · 1⤊ 0⤋
Has to meet standards like gas! so either 87% to 93% regular to premium?
supposed smokes less more good for economy?
2007-09-17 19:13:46 · answer #4 · answered by ? 7 · 0⤊ 0⤋
depends on the carbon its attatched to but its a ethyloctane
2007-09-17 19:10:15 · answer #5 · answered by AshleyNick H 3 · 0⤊ 0⤋