Passenger Right Cylinder Head 4.7l Fits 01-07 Dakota 139476 on 2040-parts.com

Elon Musk unveils Hyperloop

Elon Musk has been teasing us with something called the Hyperloop for a while now, referring to some Goldbergian cross between a railgun and an air hockey table that would zoot us and scoot us from San Francisco to Los Angeles in a half-hour. Now, in a 57-page PDF available here or here, he's outlined just what Hyperloop could be. Bad news?

Renault Clio & Megane World Series Special Edition launched

Renault has released World Series Limited Editions of the Clio and Megane The World Series Limited Editions are based on the Dynamique trim level, but throw in a chunk of extra kit to make these World Series Limited Editions. The Renault Clio World Series gets side skirts, an extended front spoiler, new back bumper and the required ‘WSR’ badges. You get an engine choice – the 1.2 litre 75, the nTCe 100 or the dCI oil-burner.

Hennessey readies 2014 Chevy Corvette Stingray package with 1,000 hp

The 2014 Corvette Stingray made its world debut at the Detroit auto show less than two months ago, but Texas tuner John Hennessey is already working on upgrades. Hennessey Performance plans to offer upgrades for both the C7 coupe and the C7 convertible. Supercharged systems will bring output to 700 hp and higher-priced twin-turbo setups push power to anywhere from 800 hp-1,000 hp.