The latest news on alternative fuels
Five key factors have fueled the boom, and the outlook is for continuing strong demand.
There's a need to pursue both ethanol and electricity.
The hunt for alternative fuels reveals how appealing gasoline really is.
Our dossiers detail which fuels are overrated—and which could power your next car.
Today's models have a battery-powered electric motor that drives the car at slower speeds.
A renewable fuel made from vegetable oil or animal fats, including soybeans, canola oil.
A fuel derived from the sugars in corn and other plants. Pure ethanol is usually blended with gasoline.
The battery powering the motor is recharged from an electrical outlet.
A biofuel refined from cellulose, the fibrous material that makes up most of the plant matter in wheat.
The concept is similar to hybrids: an electric motor would drive the car much of the time.