With gas prices going through the roof and regulators requiring cars to be ever more miserly, Volkswagen is bringing new meaning to the term "fuel efficiency" with a bullet-shaped microcar that gets a stunning 282 mpg. Volkswagen's had its super-thrifty One-Liter Car concept vehicle -- so named because that's how much fuel it needs to go 100 kilometers -- stashed away for six years. The b...

It's easy enough to know what kind of fuel economy a new car gets - it's printed right there on the window sticker. Finding out how much pollution it emits is a little harder if you don't know what terms like LEV, SULEV and PZEV mean. The California Air Resources Board is making it easier to identify "greener" cars by requiring new vehicles to di...

They aren't fancy with their limited legroom and lack of power outlets for laptops, but at least they can still roll. Salt Lake City has decided to put New Jersey Transit's old rail cars on UTA's tracks in response to crowding on some of the city's FrontRunner commuter trains. The Comet cars, built for NJ Transit in the early 70s, will still feature the wood-panel wall papers, the aluminum bar lugg...

Sunday, passengers taking the Bx12 Limited bus route in New York's Bronx experienced a different ride than the usual. The buses had changed colors and the stops became "stations." With the use of dedicated lanes, pre-paid boarding, and limited stops, the city hopes to reduce the time to travel the whole route by at least 10 minutes in the future. The buses, however, aren't much faster when looking...

Tony Markel drives a plug-in hybrid that runs 50 miles per charge, goes 100 miles per gallon and gets power from the sun. If he has his way, you'll drive one too before long. His 2006 Prius has a lithium-ion battery six times more powerful than the nickel-metal hydride pack Toyota put in it. But what makes the car really cool is the solar panel on the roof. It generates enough juice to go 5 miles....