Yamaha 689-41636-01-00 Rod, Mag.controlcontrol on 2040-parts.com

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.

Koenigsegg's craziest supercar yet debuts at Geneva

Here's what you need to know about the Koenigsegg One:1. It weighs 1,360 kilograms; it produces 1,360 hp. One horsepower per kilogram, which is why mad scientist Christian Von Koenigsegg is absolutely justified in bragging about it: it's the world's first "mega car," he said.

Google hopeful over driverless car

GOOGLE says it has turned a corner in its pursuit of a car that can drive itself. The leader of the technology giant's driverless car project wrote in a blog post that test vehicles are becoming far more adept at city driving. They can already comfortably handle motorways, he said, but city driving presents a virtual obstacle course of pedestrians, cyclists and blind corners.