We show you how to slash utility bills and make fewer trips to the gas pump.

America will keep reducing its thirst for oil, both foreign and domestic.

From replacing your light bulbs to installing insulating window treatments, these projects are fairly simple and range in price from $10 to $250.

Not every car is a paragon of green technology, but each is the least thirsty in its class based on annual fuel cost.

There's a new spin on loyalty programs -- rewards for cutting back on trash.

Claim an energy tax credit for the home improvements you made last year.

Waiting lists for the Volt and Leaf are long, and early sales are confined to a few areas.

Worries about safety and neighborhood aesthetics will spawn new rules but won't stop solar installations.

Which fuel-efficient vehicle is right for you? That depends on how and where you drive.

As consumers increasingly demand conservation minded building materials, companies are rolling out new products.

We reveal the truth behind the hype-and how much money you may be wasting by buying into it.