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

Renault Twin-Z concept (2013) first official pictures

This is the Renault Twin-Z concept (say it 'Twin-Zee'). Although it packs the usual concept car madness of suicide doors, a pared-back cabin and LEDs everywhere, it actually previews the look – and drivetrain – of the next Renault Twingo. The big news is that it'll be rear-engined, rear-drive, and offer an electric option for less money than the £13k Renault Zoe EV.

F1: Mercedes sticks with McLaren – Brawn still likely

Mercedes are sticking with McLaren for the 2010 season - but probably Brawn GP too. As the F1 season drew to a close at the Yas Marina circuit in Abu Dhabi yesterday, the whole of the top end of Mercedes Benz management was on hand. They had expected to see Lewis Hamilton in the Mercedes McLaren waltz to a win, but had to settle for simply powering the world champion – Jenson Button – to victory this year and claiming third and fourth place at the inaugural Abu Dhabi Grand Prix.

Beijing Auto Show 2014 – the 15 cars that really matter

With somewhere around 90 world debuts, the Beijing motor show certainly had the numbers – if not the organization – to live up to its billing as one of the world's most important auto shows. The back-story to these figures however is that the majority of these unveils were of lightly-revised versions of existing models – from facelifts to localized versions of cars already on sale in other markets. That's not to say there was nothing of interest to see inside the maze of halls at the China Exhibition Center.