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

Peugeot 207 Epure concept

Eight years ago, the Peugeot 20Heart show car previewed the 206CC, which brought folding metal roofs to the masses. Since then, Opel has re-released the Tigra, while Nissan has retorted with the Micra CC in the mini-cabrio stakes. Accordingly, Peugeot will update their range with the 207CC, previewed here as the 207 Epure that will be displayed at the Paris Motor Show.

Video: Track-day fun in the Lexus LFA

As promised, the third installment in our supercar video extravaganza--after the Chevrolet Corvette Z06 and the Porsche GT2 RS--gives you the lowdown on the hyperexotic Lexus LFA and its insane 552-hp V10 powerplant. Best described by senior editor for motorsports Mac Morrison as "shrieking like a melting witch," the Lexus LFA emits a wail unlike anything this side of a Formula One racer, and its performance isn't too far off that mark, either. Check out the walk-around and some on-track fun, then come back for the VBox lap on Friday.

General Motors CEO Rick Wagoner to quit, reports say

General Motors CEO Rick Wagoner is about to resign after eight years as the Obama administration prepares to decide on the automaker's request for additional government rescue loans, two people familiar with the matter said. A senior Obama administration official told NBC's John Yang that Wagoner, 56, was asked to step down by the White House. The automaker, which has lost about $82 billion since 2004, awaits word Monday from President Obama on a request for as much as $16.6 billion in additional U.S.