
There is also (methyl and ethyl) alcohol.
[link|http://www.hawaii.gov/dbedt/ert/activitybook/fs-alcohol.html|link]:
Methanol and Ethanol are two types of alcohol fuels used in cars. Ethanol can be produced from a variety of renewable resources, most commonly corn and sugarcane. Methanol can be made from renewable resources also, but today, methanol is primarily made from natural gas.
Alex
"If I seem unduly clear to you, you must have misunderstood what I said." -- Alan Greenspan, Federal Reserve chairman