After the Obama administration issued new rules in August that required automakers to nearly double the fuel efficiency of their cars and trucks by 20...

WASHINGTON (AP) — The Obama administration has finalized regulations that will force automakers to nearly double the average gas mileage of all new ...

OK, amidst the discussion of rising gas prices, we have some good news on the car front. The average mpg for cars sold in the United States is on an upward climb, and has been for a while.

By John Crawley WASHINGTON, Nov 16 (Reuters) - The Obama administration proposed on Wednesday doubling auto fuel efficiency to 54.5 miles per g...

WASHINGTON — Fire trucks and concrete mixers, semis, heavy-duty pickups and all trucks in between will, for the first time, have to trim fuel co...

With all the attention on the debt-ceiling, it was easy to miss some of the other news coming from Washington. The White House announced a proposed fuel-efficiency standard for passenger cars and trucks of 54.5 miles per gallon.

President Obama is close to a deal with automakers on proposed plans to introduce new fuel efficiency standards for cars and light trucks from 2017-20...

WASHINGTON — The Obama administration is telling American automakers that it would like cars and light trucks to average 56.2 miles per gallon b...

WASHINGTON — President Barack Obama is setting the nation's sights on vehicles that run on half the fuel they now use and give off half the poll...

WASHINGTON — President Barack Obama directed the government Friday to set the first-ever mileage and pollution limits for big trucks and to tigh...

Huffington Post Green Editor Dave Burdick weighed in on this week's green winners and losers over on Current.com. Topics included bird-friendly wind ...