Ignition Knock (detonation) Sensor-sensor Original Eng Mgmt Ks31 on 2040-parts.com

Rolls-Royce Ghost V-Specification dialed up to 593-hp

Just before a refreshed Rolls-Royce Ghost debuts at the Geneva Motor Show in March, the British automaker has rolled out a performance edition of its "entry level" sedan with 593-hp underhood. The standard Ghost sedan wasn't exactly short on power until the announcement of the V-Specification version -- the company's 6.6-liter twin-turbocharged V12 engine produces 563-hp and 575 lb-ft of stump-pulling torque in standard form. Yes, gone are the days when Rolls-Royce declined to disclose exact power figures and simply listed their powerplants' output as "adequate." Now Rolls-Royce is forced to compete in this cutthroat market with its performance stats, it seems.

Nissan says the Leaf EV beats the Chevrolet Volt with 367 mpg

The green car mileage race is now under way, and Nissan Motor Co. isn't impressed by the Chevrolet Volt's 230-mpg claim. The Japanese automaker says its new Leaf electric vehicle gets 367 mpg, or about 60 percent better fuel efficiency.

NHTSA safety consultant dies at 64

Miami trauma surgeon and preeminent car-crash researcher Jeffrey Augenstein would often tell the story of the time he was talking to a crash victim who collapsed and died from hidden injuries in the middle of the conversation. The experience led Augenstein to research and then call attention to the unexpected injuries that could occur when drivers interacted with airbags. It's but one example of the achievements of Augenstein, who died recently at age 64.