Engine & Drivetrain Performance Math Vol 1 ~street & Race Track Applications~new on 2040-parts.com

2014 Mazda 6 sedan teased before Paris debut

Mazda began releasing teaser videos of the 2014 Mazda 6 sedan this week. So far we've seen three shrouded angles of the new car. In Paris, we expect to see the whole thing.

Rinspeed XchangE concept previews cabin of self-driving cars

Ever wondered what you'll be doing in your car once cars become driverless? We'd probably just sit in the back seat and read the financial section of the paper (on some kind of transparent tablet computer, of course) to see how our Tesla shares are doing and make small talk about the weather with our imaginary chauffeur named James in a faux British accent, asking him to pass the Grey Poupon from time to time. But unlike us, coachbuilder Rinspeed is actually taking the yet-to-materialize issue seriously, and at the upcoming Geneva Auto Show it will debut its XchangE concept.

Ironstone concours continues tradition of cars, giving in Northern California

Sixteen years ago, a California farming couple with an interest in classic cars decided to host a concours to benefit local children's groups. It's a grassroots tradition they've continued, as Gail and John Kautz are again staging the Ironstone Concours d'Elegance car show, on Sept. 26 at the Ironstone Winery.