Harley Davidson Sportster Gas Tank on 2040-parts.com

One Lap of the Web: One lap of the 'Ring in a Lamborghini Cabrera

-- Ever wondered how a 2013 Audi S3 would stack up against a 1983 Audi Sport Quattro on a rally circuit? So have we, but unlike us, Audi actually has the means to make the two cars go head to head. And, of course, they've filmed it all .

One lap of the Web: The birth of the supercar, an #EpicFail and Ferrari 250 GT eye candy

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- The 1970s: An era of hippies, disco, space exploration and, most notably to us, the supercar.

Bob Lutz to join EV start-up VIA Motors

Robert Lutz, the former General Motors Co. vice chairman who rejoined the automaker this month as an adviser, has taken a position with electric vehicle maker VIA Motors. Lutz's role at GM won't change because of the move, a GM spokesman said.