Angry protesters barricaded roads with burning tires and rocks after the government more than doubled the price of fuel in a bid to improve supplies as the country battles its worst gasoline shortage in a decade.
The government has banned logging in the country for three months, driving cooking fuel prices through the roof.
Researchers combine ecological and economic models to examine the benefits of growing grass as fuel.
In California, hydrogen-fueled cars are gaining in popularity. Will their safety issues garner greater scrutiny?
The federal government has unveiled updated designs for those informational stickers on new cars. The hope is to nudge buyers into choosing more fuel-efficient models.
Sailing from the Atlantic to the Orient across the roof of the world has been the dream of Arctic explorers and world traders for centuries. It saves fuel, too, so what's not to like? Well ...