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

GM looks to drop some weight with magnesium

Like many Americans, carmakers are on a continuing quest to lose weight. Less weight, which equals better fuel economy without a loss in performance, is a key selling point in dealerships. Weight loss is a key factor for two upcoming launches from General Motors--the redesigned full-size pickups and SUVs, and the redesigned 2014 Chevrolet Corvette.

Porsche at Geneva: Porsche 918 Spyder +Video

The Porsche 918 Spyder arrives on the floor at Geneva As we said the other day when we reported on the Porsche 918 Spyder reveal at Geneva, we really didn’t see this coming. We all know that Porsche are playing with Hybrid tech on their road cars – the Porsche Cayenne Hybrid is here  and the Porsche Panamera Hybrid on the way – and have even had a play with a hybrid track car – the Porsche 911 GT3 R. But a Hypercar – a likely replacement for the Porsche Carrera GT – is a real surprise.

Mercedes-Benz drops first sketches of S-Class Coupé concept

The first batch of official sketches of Mercedes-Benz's S-Class Coupé Concept emerged this morning ahead of its unveiling at next week's Frankfurt motor show. The S-Class Coupé Concept previews the production model that will replace the CL-Class Coupé, and the first glimpse provides us with views from every angle. From what we can see, it mixes elements of S-Class – dropping feature line, rounded rear screen – with a pinch of SLS – hood power domes, rear lamp graphics and cab-rearward proportions.