Vintage Sears Dwell Tachometer,transistorized on 2040-parts.com

Mazda signs deal with Discovery Velocity to broadcast MX-5 Cup and other races

The Playboy MX-5 Cup is the best racing no one's watching, says Mazda, because it's not on television. The company changed that on Wednesday by inking a deal with the Discovery Velocity channel. Deep cable jokes aside, the MX-5 Cup does present some of the best parity in racing, as well as drivers racing for the love of the sport.

Limited-production Audi A1 quattro has monster power to all four wheels

Audi is poised to take the supercompact class by storm with a wild 252-hp, all-wheel-drive version of the A1. To be produced in a limited run of just 333 cars, the A1 quattro harks back to Audi's rallying heyday of the 1980s. It has aggressive, competition-based styling, a turbocharged engine and the latest in all-wheel-drive technology, together with a heavily reworked interior boasting all of the sporting accoutrements to back up its impressive mechanical specification.

Most hybrid owners don't buy another hybrid, Polk study says

Almost two-thirds of U.S. hybrid buyers returning to the market in 2011 chose something besides another hybrid. Excluding owners of the best-selling Toyota Prius, the repurchase rate among other hybrid buyers dropped to 22 percent, according to a Polk study released today.