This is a victory for all Americans who want to breathe clean air, drink safe water, and protect treasured landscapes. And it is a setback for the fossil fuel companies that invested so heavily in this election and have so little to show for it.

"The most important single change for most Americans would be to trade in their gas-guzzler for a more fuel-efficient car... At today's gas prices, that would save you as much as $18,000 over the 15-year life of the car."

Instead of offering targeted policies, many leaders are suggesting an "all of the above" approach to energy development. The idea is that we should throw everything we have at the problem and see what sticks. It's a misguided strategy that would do more harm than good.

Pipeline supporters and their allies in Congress are trying to capitalize on rising gas prices by claiming the pipeline would lower prices at the pump. That is patently false.

TOKYO — Green cars rolled into the spotlight at the Tokyo auto show as Japan's automakers look to fuel efficient technology to reinvigorate grow...

President Obama has delivered another victory for clean energy innovation. Today his administration moved forward with new standards for cars, SUVs, and pick-up trucks that will almost double vehicle miles per gallon to 54.5 mpg by 2025.

The lobbying group for car dealers wants to block new fuel efficiency standards that will save drivers $80 billion a year at the pump, saying clean car standards are a sign of "over regulation."

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...

So what was a sustainable girl like me doing looking at some of the world's greatest Mercedes, Packard, Rolls Royce, Bugattis, Lincolns, Cadillacs, among many others? After all, aren't cars the antithesis of green?

It is cynical for politicians to claim that more drilling will relieve high gas prices. More drilling only means more profits for the oil industry -- not lower costs at the pump

Treehugger reports that in Sweden, purchases of fuel-efficient cars are on the rise, but so are emissions. So does this mean that Swedes are actually...

From The Daily Green: Not long ago the word "diesel" was synonymous with loud, smelly, and unreliable vehicles in the United States. In fact, over ...

Ten years ago, California stuck with the Clean Cars program and led the nation to lower emissions of pollutants. They'll have the opportunity to lead the nation again next year.

Washington, D.C. -- That the winner of the Automotive X Prize, Team Edison 2,  would have built their 102 mpg vehicle in Lynchburg, Virginia? &n...