Knock Sensor 2000 Ford Focus 2.0l Sohc on 2040-parts.com

Big news on GM's big SUVs

Good news and bad news for General Motors' large cash cows, the full-sized SUVs. The bad news: The massive sport-ute market has shrunk roughly in half to around 300,000 a year. The good news for GM: This drove some competitors either out of market or into the near-niche category, leaving the new-for-2015 Chevrolet Tahoe and Suburban, the GMC Yukon and Denali, and Cadillac Escalade with a big share of this very profitable segment.

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.

2011 Audi A6 leaks

The 2011 Audi A6 leaks out The next Audi model due for a change is the Audi A6, amd Audi started out this last few days with a blurry teaser image of its new E-Class / 5-Series competitor. But we didn’t bother to run it - although we should have – as it just seemed a bit pointless. But now we get the first official photo leaking out courtesy of Autoblog.nl, so we get the real deal instead.