Kenda K299 Bear Claw Front/rear Tire 23x10-10 (6 Ply) on 2040-parts.com

Nissan to build Mercedes engines in Tenn. plant

Nissan Motor Co. and Daimler AG said they have agreed to produce four-cylinder Mercedes-Benz gasoline engines at Nissan's Decherd, Tenn., engine factory from 2014 to be fitted on Mercedes-Benz and Infiniti models. Nissan and its alliance partner Renault SA have a wide-ranging agreement with Daimler to share vehicle and powertrain technologies.

One Lap of the Web: DeLorean engine swaps, 2013 Women's World Car of the Year and the best French cars

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- We've driven the new BMW 4-series and found it worthy of being the 3-series coupe's successor.

BMW i3 EV revealed. It’s clever, but it’s not exactly pretty

The BMW i3 electric city car (pictured) has been officially revealed The BMW i3 – the first of BMW’s production ‘i’ electric cars – has finally been revealed at events in London, New York and Beijing as BMW plots its course to bring a premium electric city car to the world. Looking much like the original Mega City Concept, the i3 debuts a number of innovations from BMW – which are very clever – but it also debuts perhaps the worst looking BMW we’ve ever seen, with its incongruous lines, bulging bonnet, odd shapes on the flanks and slab-backed rear view. But what underpins the i3 is clever indeed, with a lightweight inner body made from carbon fibre and carbon fibre reinforced body panels providing the skin, all conspiring to make the i3 light – 1195kg, despite 25 per cent or so of that being batteries – and very rigid.