Gasoline prices climbed Thursday after another round of outages at U.S....

Last week's battle in a House committee over fuel economy increases...

The nation's passenger cars and light trucks may have to average 75 miles per gallon by the 2030s, a top federal environmental official said...

Gasoline and oil futures jumped Friday on continued concerns that domestic refineries aren't producing enough gas to meet peak summer driving demand. "The market's realizing...

With gasoline prices hitting records above $3 a gallon, analysts are watching closely for any hints that motorists are altering their behavior. This vigilance...

Germany's automakers association played down concerns Thursday that large numbers of cars would be incompatible with a new biofuel mix that the government wants...

Gasoline prices in the United States have topped three dollars a gallon, the highest level in nearly a year, a leading automobile association said...

New York's signature yellow taxis will all run on hybrid energy...

After more than 30 years of staunch opposition to federal oversight, the U.S. auto industry appears ready to argue for higher fuel economy standards...

New vehicles are expected to set records for average gas mileage...