Ted M Naman has written:

'Automotive fuel economy' -- subject(s): Automobiles, Fuel consumption, Lubrication

yes, ethyl alcohol is used in many countries as fuel in automobiles.

No, fuel-cell automobiles do not use gas as a fuel. They use hydrogen gas as a fuel source, which is converted into electricity to power the vehicle.

yes

Honda has a pretty good selection of hybrid automobiles and fuel saving automobiles. Their Civic and Insight models are fuel efficient cars. They are available in Hybrids as well.