15 Yamaha Yzf R1 Engine Motor 13c on 2040-parts.com

Toyota Prius with added noise: The Prius Vehicle Proximity Notification

Prius Vehicle Proximity Notification We’d much rather see a hybrid car than an electric one, but with plug-in hybrids starting to proliferate more car makers are having to address the issue of silent running endangering blind – and distracted - pedestrians. Step forward the Toyota Prius Vehicle Proximity Notification System. The US Senate signed off the Pedestrian Safety Enhancement Act at the end of 2010, which requires the makers of cars with the ability to run silently to make them run noisily instead, completely negating about the only benefit there is for electric cars.

Enter the Autoweek Big Game Giveaway!

What better way to spend some holiday free time than flat-out on the virtual limit. We're giving away copies of F1 2011 for PlayStation 3 and Xbox 360, Forza Motorsport 4 for Xbox and Dirt 3 for both systems. We also have an Xbox wireless steering wheel bundled with Forza 4, and the grand prize is a Dirt 3-branded Playseat, a Kinect special-edition Xbox 360 250 GB and copies of F1 2011 and Dirt 3.

Check out the 1,360-hp heart of the Koenigsegg One:1

The wild Koenigsegg One:1 showed up on our radars late last year before it appeared at the Geneva motor show in March. The latest piece of machinery from company founder--and Michael-Chiklis lookalike--Christian von Koenigsegg delivers one horsepower per kilogram, hence the name. That means 1,360 hp and 737 lb-ft of torque with a 3,000-pound curb weight.