Harley Davidson Screaming Eagle Tach on 2040-parts.com

Porsche 911 cabriolet: First official photographs

Porsche has developed an innovative fabric and composite-plastic folding roof for the 911 cabriolet as part of a push to give it a cleaner appearance, improved aerodynamic efficiency and greater levels of refinement than its strong-selling predecessor. Pictured here officially for the first time ahead of its world premiere in January at the Detroit auto show, the new open-top 911 is planned to go on sale in North America in 2012 in Carrera cabriolet and Carrera S models. Eschewing the traditional multilayered fabric structure of the 997 series 911 cabriolet, the next model (991 series) adopts a specially developed lightweight roof that uses two fabric-skinned composite plastic panels for the upper and rear part of the structure, giving it a more uniform shape together with a tauter fit that is claimed to make it more resistant than before to buffeting at high speeds.

'Where They Raced' is SoCal racing history on DVD

Harold Osmer was looking for a master's thesis. This was about 15 years ago, and the car and racing enthusiast was working on his MS in geography from Cal State Northridge when he started to find old race tracks -- hundreds of them -- all over Southern California. Most had long since been plowed under and replaced by tract homes and strip malls.

NHTSA may investigate Grand Cherokees over fuel-tank fire hazard

The Jeep Grand Cherokee from the 1993 to 2004 model years may be investigated by federal safety regulators after a complaint that its fuel tank is an exposed fire hazard that may have contributed to hundreds of deaths. Last month the nonprofit Center for Auto Safety complained that the SUV's fuel tank extends below the rear bumper and is inadequately protected from crashes and rollovers. The vehicle's fuel filler neck also tears off in crashes, said the center's petition for an investigation and recall.