California agrees to new, tougher national emissions standards

Starting in 2012, U.S. cars and trucks will have stricter fuel emissions standards -- up to 39 miles per gallon for cars and 30 mpg for trucks by 2016 -- under a proposed new standard President Barack Obama plans to announce ...

Toyota rolls out new Prius to fend off rivals

Toyota Motor on Monday rolled out a cheaper, revamped Prius, seeking to boost its flagging sales and maintain its lead in fuel-sipping hybrids in the face of growing competition from rival Honda.

US to push plan to swap for fuel efficient cars

A key US lawmaker Tuesday announced agreement after White House talks on a plan to offer Americans government cash to trade in "old clunkers" -- ancient, gas guzzling cars -- for fuel efficient models.

Green car makers urged to go a step further

Four international bodies on Wednesday called on governments and car makers to halve global vehicle emissions by 2050 as the auto industry insisted it was serious about producing greener vehicles.

Unlocking wood's energy

Deftly using a pair of tweezers, Scott Geib pulls apart the insides of a yellowish, wormlike critter - the larva of a tree-devouring pest called the Asian long-horned beetle. Something in the insect's gut allows it to make ...

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