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

Mercedes F125 concept (2011) at Frankfurt motor show

Mercedes today unveiled the F125 concept car - a car bearing the three-pointed star's F name to demark it as a tech testbed, and the 125 to mark Merc's 125th anniversary in this four-wheeled business. It's a hydrogen fuel-cell vehicle, and Merc claims a punchy 1000km (620-mile) range. But the scientists here are proud of the cutting edge lithium sulphur batteries, used to store energy created by the fuel-cell.

2012 Jaguar Range UK Debut at Motorexpo 2011

2012 Jaguar Range - every one a gem You’d have to have been living in a cave for the last couple of years not to know that Jaguar’s cars are now back at the top of the heap, and the 2012 Jaguar Range is probably the strongest line-up from Jaguar in a couple of generations. Regular readers will already have seen all the tweaks and additions to the Jaguar XF, Jaguar XJ and Jaguar XK for 2012 here over the last few months, but there’ll be the chance to see the updates in the flesh from this weekend at Motorexpo at Canary Wharf. The 2012 Jaguar XF – which debuted at New York in April – gets to look more like the concept on which it was based, the Jaguar C-XF Concept, which is a sure sign of the growing confidence at Jaguar.

Renaultsport Clio 200 Turbo (2012) first pictures

This is the new Renaultsport Clio 200 Turbo. And as those last two words signify that although this new Clio RS has no more horsepower than its predecessor, it is now turbocharged. Outgoes the old hot Clio’s naturally aspirated 197bhp 2.0-litre engine, in comes a blown 1.6 with the same output, and rather than a six-speed manual gearbox the front wheels are now only driven via a double-clutch gearbox.