Altrom Imports Atm P0739 - Wheel Cylinder - Rear on 2040-parts.com

Callaway supercharges the Camaro Z/28

Chevrolet revealed the 2014 Camaro Z/28 to the media just weeks ago, despite its public debut 11 months ago at the New York auto show. Now Callaway Performance has announced their own version of this modern muscle classic. The Callaway Camaro Z/28 SC652 is meant to be their most focused version of the car.

Speedy green: Italdesign-Giugiaro's Frazer-Nash Namir

Whatever uncertainties await us on the other side of oil, there will still be speed. If the Frazer-Nash Namir is any indication, there will still be a frightening amount of it. One of the stars of this year's Geneva motor show, the Namir points the way to a responsible generation's supercar--and sets out to prove the technology for its mass-production cars, too.

Heifer fuel

Unlike most people, when Michael Doyle drives past a herd of cattle grazing in a field, he doesn't see future tenderloins or T-bones. He sees fuel. The company Doyle co-owns, North Star Biofuels, is about to start production of biodiesel at a new $15 million, 20,000-square-foot plant in Watsonville, Calif., about 60 miles south of San Francisco.