Retail gasoline prices dropped a cent overnight Tuesday, and oil and...

Car makers are not doing enough to meet proposed EU targets for cutting carbon dioxide emissions, according to a report Tuesday, with some German...

When it comes to taking oil and natural gas from government land and waters, the oil companies are getting a good deal, says a...

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

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...

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

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

Gas and electric company Dominion Resources Inc. said Monday it will...

Florida Governor Charlie Crist announced Friday "bold" new air-pollution targets for...

Gasoline prices extended their advance at the pump Friday, while gas...