99-07 08 09 10 11 12 Silverado 1500 L. Exhaust Manifold 4.8l 179288 on 2040-parts.com

Eterniti Motors readies two SUVs and a sports car

New British car brand Eterniti Motors is steaming ahead with its plan to launch the Hemera - a new Cayenne-based SUV due in 2012 - and there are two other projects waiting in the wings, including a dramatic sports car. The first project for the London-based company is taking Porsche's Cayenne Turbo S and reconfiguring it with exotic new materials, a fresh wardrobe and a stretched cabin to free up more cabin space. Eterniti has also issued sketches of this supercar, but won't reveal yet the donor vehicle.

EPA rules greenhouse gases pose danger; more regulation expected

The EPA has proposed a finding that greenhouse gases from new vehicles and industrial plants pose a danger to the public, kicking off a process that could result in tighter regulation of carbon dioxide emissions. The EPA's findings come two years after the U.S. Supreme Court ordered the agency to determine whether these emissions contribute to harmful air pollution under the Clean Air Act or whether the science is too uncertain.

Toyota Aygo gets new engine technology to make it more economical

The new Toyota Aygo (pictured) gets new engine tech The new Toyota Aygo has only just arrived as Toyota’s part of the city car triumvirate which includes the new Citroen C1 and new Peugeot 108, but its already set to get improvements. Toyota have been playing with the little 1.0 litre three-cylinder that lurks under the bonnet of the majority of Aygos, and have managed to do some serious tweaking. The tweaks include a higher compression ratio of 11.5:1, a cooled exhaust gas recirculation system, changes to the timing, better combustion, less friction and lower weight.