Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Audi working with Mazda on Wankel for A1 e-Tron?

The Audi A1 e-Tron could be getting a Mazda Wankel Last year at the Geneva Motor Show, Audi showed us another in its seemingly endless line of fantasy e-Tron cars. But instead of being a pointless supercar with a pile of batteries bolted underneath to wreck the handling with all their weight – for the three feet you can actually drive with your foot to the floor before you run out of juice – this e-Tron was a different beast altogether. Not only was the Geneva 2010 e-Tron a properly sensible city car – the Audi A1 - but it came with a range extender so you could actually use this Audi A1 e-Tron beyond the confines of its electric charge.

Sir Stirling Moss, 81, retires from racing

While participating in a live interview with Joe Bradley of RadioLeMans.com on Thursday, Sir Stirling Moss announced his retirement from the sport that he loves. "This afternoon I scared myself, and I have always said that if I felt I was not up to it or that I was getting in the way of fellow competitors, then I would retire," Moss said. Moss is one of the most recognizable figures in motorsports, with a career that has spanned more than 60 years.

Lambrecht Chevrolet auction update: More detail on the cars

In about seven weeks, roughly 500 cars from Lambrecht Chevrolet in Pierce, Neb., will go across the auction block. And pre-bidding has already started on this massive time-capsule collection, accumulated over the course of many decades by Ray and Mildred Lambrecht, a husband and wife team who ran the dealership for more than 50 years. Autoweek will be in Pierce, Neb., to cover the sale in late September and to preserve a sample of the dust on the dealership floor for scientific study.