2004 Volkswagen Jetta Automatic Transmission 2509107 on 2040-parts.com

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.

Audi's Dr. Ulrich Hackenberg talks future innovation and CES

Last week, Audi Board Member for technical development Dr. Ulrich Hackenberg was meandering down the California coast, sampling red wines. Vacation over and on his way to Las Vegas for the Consumer Electronics Show, he popped by Stanford University's Volkswagen Automotive Innovation Lab to speak to students who'd just returned from winter break themselves.

10 great and safe rides for teens

Thinking about what's the best car for your teen when he or she faces the real word of driving? Here are some suggestions: Dodge Caliber BASE PRICE: $17,090 With five-star front- and side-crash ratings from the National Highway Traffic Safety Administration and a hatchback body, the Caliber is among the safest and most flexible small cars on the market. Ford Focus Ford Focus BASE PRICE: $16,690 The car is long in the tooth, but Ford's continuous refinement of the Focus yields a reliable and still fun-to-drive car with respectable crash-safety results.