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

Renault working on 141mpg plug-in hybrid concept

Renault is working on a 141mpg plug-in hybrid concept car, according to Renault head of research, advanced studies and materials, Remi Bastien. Speaking to MSN Cars at Renault’s recent ‘Innovations’ event – showcasing the French manufacturer’s new technology that will underpin its next-generation models – Bastien revealed the new car will make its debut in 2014. On Bing: see pictures of Renaults Find out how much a used Renault costs on Auto Trader This means the ‘2l/100km’ concept car will likely make its first public appearance at the 2014 Geneva Motor Show, alongside the firm’s new rear-engined Twingo city car.

2013 SRT Viper packs devilish details

The 640-hp V10, the curvy fenders, heck, even the carbon treatments—there are enough spotlight features on the 2013 SRT Viper to outfit two or three sports cars of lesser pedigree. While the potent engine and the striking design are clearly the signature elements of SRT's macho machine, there are a few subtle design cues lurking inside for sharp-eyed enthusiasts. Let's call them Easter eggs, and they're intricate yet intriguing.

BMW X4 confirmed – one more time

It was always going to be on the cards after the unexpected success of the X6, but the birth of the BMW X4 – a coupé version of the new X3 – has been the subject of endless rumours, almost since the X6 started to sell in unexpected numbers. We reported as far back as April 2010 that BMW were close to deciding an X4 was a no brainer; after all, with a lot of the world ‘downsizing’ their transport, a smaller X6 should be a seller. By this time last year we heard that BMW had already made the decision and we had it on good authority that the X4 was confirmed and signed-off and would be heading to showrooms by 2013.