Harley Wheels/rims 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.

New Audi A4 (2012) arrives: Audi A4, S4 and A4 Allroad

New Audi A4 (2012) revealed together with 2012 S4 and A4 Allroad The current Audi A4 has been with us since 2008, but with the Mercedes C Class and the BMW 3 Series upping their game it’s time for Audi to strike back with an updated A4 for 2012. So we get treated to a complete refresh across the A4 range from Audi, with new versions of the Audi A4, A4 Estate, S4, S4 Estate and the 4WD Audi A4 Allroad Quattro. The 2012 Audi A4 isn’t a new, ground-up A4, rather it’s a comprehensive re-work of the current A4 with significant styling updates – inside and out – and a plethora of new engines.

Dodge introduces 100th Anniversary Editions for LA Auto Show

Dodge is celebrating 100 years of mass-producing automobiles next year. To celebrate, the company is introducing two special 100th Anniversary Editions of the Charger and Challenger at the Los Angeles Auto Show. John and Horace Dodge were already making a decent living supplying parts to Detroit’s burgeoning automotive industry when they decided to introduce their own car, the Dodge Model 30, in 1914.