Auto Meter Pro Comp Ultra Lite Boost Gauge on 2040-parts.com

Mazda brings diesel back to Indy with 6 Skyactiv-D

Diesel has enjoyed great success lately as a racing fuel, but there's one place it hasn't appeared for more than six decades: Indianapolis Motor Speedway. Mazda's breaking that dry spell this weekend, when its Mazda 6 Skyactiv-D race car will head to Indy for the Grand-Am race. We like the 6 in both road trim and racing livery, but that previous diesel-powered racer -- the Cummins Diesel Special -- is pretty neat too.

Rolls-Royce Wraith (2013) first official pictures

This is the Rolls-Royce Wraith, an imperious super-coupe that will debut today at the 2013 Geneva motor show. It’s the most powerful model Rolls-Royce has ever built, and the price befits that status: the Wraith costs £250,000. Just how much power does the Rolls-Royce Wraith need to be the most powerful model in this posh British marque’s history?

One lap of the web: Ferrari renders, Musk is a super villain and '50s Fiat commercials

A week ago we brought you patent drawing of a fastback-style Ferrari FF. X-Tomi Design rendered the car, which looks exactly like what we think an FF coupe should look like. Take a gander over at WorldCarFans.com.