Roadmaster Active Suspension Suspension System Active Chevy Gmc Rear Kit 2611-v on 2040-parts.com

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.

CAR tech: how much F1 is in the McLaren P1?

We're forever told racing tech makes for better road cars, but is that true, even in the case of the £866,000 McLaren P1? CAR tech looks at the similarities between Jenson Button's weekend racer and McLaren's hybrid supercar: Gives you wings A Formula One car wins or loses by its aero package – and the P1’s a true aero car with a mighty set-up. It has the highest amount of downforce of any road car on sale – so you couldn’t get closer to F1 with number plates if you tried.

Austin Healey involved in racing's deadliest crash sells for more than $1 million

The Austin Healey 100 that was involved in motorsport's deadliest crash during the 1955 24 Hours of Le Mans sold for more than $1 million during Bonham's December Sale at Mercedes-Benz World in England on Dec. 1. On lap 35 of the race, the Austin Healey, driven by Lance Macklin, made a sudden move to pass the hard-braking No.