Vancouver Olympics goes green(2:52)Oct 5

The Olympic committee's $1.8 billion budget includes medals made from recycled circuit boards and a sustainable skating ring.

New electric car on the block: BYD(3:06)Jan 20

Ambitious Chinese electric car maker BYD could be a surprise entrant in the U.S. market as soon as the end of this year.

The great electric car debate(4:25)Jan 14

Are pure, plug-in electric cars the way of the future? Automakers at the Detroit auto show have different opinions.

Tesla's faith in America(3:27)Jan 12

CEO Elon Musk is confident Americans will buy electric vehicles and thinks Tesla is setting an example.

Car insurance by the mile(2:22)Jan 12

A new approach has drivers paying based on how far they drive each month.

Chevy Volt: The test drive(3:24)Jan 11

We took Chevrolet's pre-production Volt for a spin and found a peppy, very quiet, and driveable car.

Green New Year's Eve in Times Square(2:14)Dec 30

When the ball drops at the stroke of midnight, less energy will be used thanks to LED bulbs.

The 'ugly' side of alternative energy(1:36)Dec 23

In places like the Mojave Desert, some fight to preserve the landscape and prevent the installation of solar panels.

FedEx's problem with Cap & Trade(4:25)Dec 20

CEO Fred Smith says the cost of taxing emissions will get passed on to customers, and that a lower corporate tax rate will create jobs.

Hybrids high-cost problem(1:30)Dec 18

It?s projected to cost $18,000 more to manufacture a plug-in hybrid than a regular car next year, according to one study.