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

Volvo's Mean Green semi breaks records in Utah

The Volvo hybrid truck, a.k.a. Mean Green, achieved two world speed records at Wendover Airfield in Utah, one for the standing kilometer and one for the flying kilometer. It didn't hit its planned top velocity of 165 mph, but 147 mph is still a respectable speed for a truck originally meant for hauling trailers down a highway.

Acura NSX prototype will drive Mid-Ohio prior to IndyCar race

Acura's new, long-awaited NSX is still two years from arriving in customers' impatient hands, but attend the Izod IndyCar Series race at Mid-Ohio on Aug. 4 and you'll have the opportunity to see and hear the car in action. Acura on Thursday released an image of a prototype NSX, and said the car will take to the racetrack just prior to the Honda Indy 200 in Lexington, Ohio.

Concept Car of the Week: Citroën C-Metisse (2006)

Citroen was on a roll back in 2006, in terms of its production cars such as the C4 and C6, but most notably in advanced design. The previous 'C-' range of concepts that started in 2002 with the C-Airdream, swiftly followed by the C-Airlounge and C-Sportlounge. But there's a feeling that the this fourth car in the series was the one that showed the PSA design team at its flamboyant best.