New Disc Brake Hardware Kit on 2040-parts.com

Tesla Model S – new Photos

New pictures of the Tesla Model S Dogged by controversy over the claim that they could deliver the Model S for $50,000, Tesla are sticking to their guns and pushing forward with development. And if they do manage to bring the Model S in at their target price point they will probably be on to a winner. Even if you turn that $50k in to £50,000 the Model S will still be offering a huge amount of – very innovative – car for the money, and will have the BMW 5 Series, Mercedes E Class and Jaguar XF in its sights.

Watch the Porsche 911 GT3 rear-steering system work

A handful of manufacturers have offered four-wheel steering in the past including Honda, Nissan, BMW, Mitsubishi, Mazda and, most recently, Acura and Porsche. On Monday, suspension expert Elephant Racing uploaded a video to its YouTube channel demonstrating the feature on the 2014 Porsche 911 GT3. In most four-wheel steering cars--Acura and Porsche included—a computer controls the movable rear wheels.

New techniques cut cost of carbon fiber

Carbon fiber, once so costly that it was the preferred material only for fighter planes and supercars, is catching the attention of weight-conscious automakers. Carbon fiber's cost is falling dramatically, thanks to production advances that let suppliers speed the material's finicky, and costly, curing process. One technological breakthrough that makes carbon-fiber auto parts more affordable may come from a process used to make carbon-fiber golf clubs.