°®¶¹´«Ã½

A federal appeals court backed the Obama administration's campaign to limit greenhouse-gas emissions, the Wall Street Journal reported Wednesday.

A California group representing businesses has filed a federal lawsuit challenging the federal government’s greenhouse emissions regulations for medium- and heavy-duty trucks.

U.S. cars and light trucks will be required to carry labels comparing estimated five-year fuel costs with those of the average new vehicle, the Department of Transportation and Environmental Protection Agency said Wednesday.