Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

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.

Performance Car of the Year 2008

In the November issue of CAR Magazine we've gathered together 29 of the best performance cars from the past 12 months to find out which is best. And to bring you the key battles of 2008 we've split the 29 cars into groups. That means the new issue of CAR features the Lamborghini LP560-4 taking on the GT2, CLK Black and Gumpert Apollo; Nissan's amazing GT-R matches up against the new 911, the Jag XKR-S and Aston's revised V8; Ford's brand new Focus ST Moutune takes on the spanking Mini JCW and KTM's crazy X-Bow meets three of the best British track cars, plus much, much more.

GM recall shows NHTSA failings too

Ever since General Motors recalled 1.6 million of its cars globally over a decade-old defect that could cut off engines and deactivate airbags in a crash, the automaker has been pointedly contrite. After all, its slow response may have cost some people their lives. So why have U.S.