Acdelco Gr5005 Professional Pcv Valve Seal / Grommet on 2040-parts.com

F1: New rules for 2011; 4-pot turbos for 2013

Turbo engines back in F1 in 2013. First turbo F1 - the Renault RS01 - pictured As anyone who keeps even the most casual of eyes on F1 knows, rules and regulations in the sport are there to be changed. And they are, with great frequency, as teams get better and better at exploiting current rules.

The scramble for scarce tires

North American automakers are struggling with a nagging shortage of tires, caused in part by tire plant closings and rising demand for low-volume specialty tires. Automakers are paying much higher prices -- double-digit percentage increases from a year ago -- as tire makers gain pricing power. "We have been bombarded from every side for additional tires, and we can't keep up," said David O'Donnell, Continental Tire's vice president of original equipment in the Americas.

2012 Porsche 911 Carrera gets blacked out

Porsche is adding a dark and sinister model to the Carrera lineup, the 2012 Black Edition. The 911 sports car will be available in coupe and roadster forms, arriving in the spring. There will be 1,911 cars made for the world, with about 573 coming to a crucial U.S.