BMW's N20 engine--four cylinders, more power

More power, greater torque, reduced fuel consumption, lower tailpipe emissions and less weight--but better? Before driving the BMW X1 xDrive28i, the first model to feature the German carmaker's new turbocharged 2.0-liter four-cylinder gasoline engine, we weren't so sure. The new engine, known as the N20 and set to lead a return of four-cylinder BMW models to North America for the first time since 1998, has been conceived to (indirectly) replace the company's long-running naturally aspirated 3.0-liter inline six-cylinder.

Elio three-wheeler claims 672 miles on one tank of fuel

Elio Motors thinks its new three-wheeled vehicle will be the next big thing in transportation. Before your eyes roll out of your head, let's look at the claims. Top speed -- more than 100 mph.

EVER Conference 2007 - Ecological Vehicles and Renewable Energies

Whether the European Commission does or doesn't succeed in fixing a tight new emissions cap on vehicles by 2012, 'clean' is definitely in vogue right now. So it seemed appropriate that the eco-party last week moved to the French Riviera. 'EVER' - Ecological Vehicles and Renewable Energies - is in its second year and showcased a motley crew of environmentally-friendly vehicles at the Forum Grimaldi in Monaco.