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

Iran jumped gasoline prices 25 percent Tuesday in a new blow...

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

Gasoline prices cooled in California, but the hot streak continued throughout...

Oil prices were steady Wednesday as traders weighed expectations of rising U.S. crude and gasoline stocks against concerns about oil production cuts following protests...

The average U.S. household is already spending $1,000 more per year on gasoline than it did five years ago, two consumer groups say in...

For all their complaining as they pay $3 a gallon or more to fill up their cars, few American drivers have yet to reach...

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