Business & Technology

Green Cars

Used fuel-efficient compact cars increase 30 percent in value

There may still be something tangible in your life gaining value: your used, fuel-efficient car.

World's first hybrid-electric plane is aeronautical equivalent of flying pig

Siemens just unveiled the world's first hybrid-electric aircraft, the DA36 E-Star. It uses an unique power train to do the seemingly impossible: take off and land on nothing but batteries.

Critical List: Oil prices drop; Soros invests in energy efficiency

Oil prices went down -- for about a minute, before they started climbing again -- after the International Energy Agency announced the release of emergency supplies. The Department of Energy is backing the $2.6 billion …

We should all have plastic money like Canada

Canada has unveiled new polymer bills, which will replace paper $100 bills and, by 2012, paper 50s and 20s. They're super slick and futurey-looking (even though they still feature pictures of the prime minister from …

How better window glass will extend electric cars' range

As you already know if you’ve tried to chug your car up a hill on a really hot day, cranking the AC reduces fuel efficiency. In an electric car with a limited range to begin …

New solar cells can be printed right onto buildings

The world's largest dye-sensitized solar cell has just made an appearance. These cells have a couple of major advantages over traditional solar cells: one, they're incredibly cheap, and two, they can be printed right onto …

Solar-powered laptop lets you play outside while you work

What's the best way to piss off a computer scientist? Buy her a laptop that only works when it gets enough sun. It's the perfect gag gift for the basement-dwelling, vitamin D-deprived coder in your …

Texas' fracking disclosure law has huge omissions

Yesterday we told you about Texas governor Rick Perry doing something right for once -- he passed of a law forcing drillers to disclose the chemicals used in the controversial and environmentally destructive practice of …


Dumpster diver says: Trader Joe’s must stop wasting food

I feed my family food from the dumpster, as explained in my new documentary "Dive!" But we need supermarkets to stop throwing good food in the dumpster in the first place.