Sprint Car, Midget, Coilover, Ars, Pro Shock on 2040-parts.com

AC Schnitzer upgrades the Mini Cooper coupe

The Mini Cooper coupe is still fresh--it hasn't been out for more than a year. Now, German tuner AC Schnitzer has taken it into the shop for some upgrades. The company is working on performance upgrades for both the diesel- and gasoline-powered cars, starting with a front limited-slip differential.

Hennessey shows off breakneck speed of Venom GT

The boys at Hennessey Performance in Houston have been showing off their Venom GT supercar for almost a year now. We know it is fast. But in case we weren't convinced, they sent us this video of the speedometer going from 70 mph to 215 mph in about 10 seconds, complete with sound.

GM continues work on fuel-saving engine technology

Sometime in the next decade, you might be able to enjoy some of the benefits of a diesel without driving one. A technology called HCCI improves fuel economy 15 percent and releases fewer emissions by using a combustion process similar to what is used in diesel powerplants. General Motors continues work on the project, which could be applied across a range of engine sizes and used with other advanced fuel-saving technologies to help the company comply with the proposed new mileage and emissions targets announced Tuesday by President Barack Obama.