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

Green car of the year finalists chosen

Green Car Journal named its top-five green cars for 2014 on Thursday, tapping the Audi A6 TDI, BMW 328d, Mazda 3 hatchback, Honda Accord and the new Toyota Corolla as its finalists. The winner will be announced at the LA Auto Show. Green Car likes the Audi A6 TDI due to its unexpected performance in a high-efficiency vehicle.

Mercedes-Benz reveals first C-class details

Mercedes-Benz has revealed limited details about its new fourth-generation C-class sedan, more than two months before it is due to make its world debut at the Detroit auto show. Although the new BMW 3-series and Audi A4 rival is yet to official unveiled -- in fact, all we have so far are interior renderings -- Mercedes-Benz says the new C-class will be a significantly more advanced car than its predecessor in terms of construction, with a “best in class” weight figure and a level of structural integrity that it describes as being “unparalleled” in its class. Among its features is a new lightweight body structure that uses a newly developed aluminum hybrid construction process that Mercedes-Benz claims will shave as much as 220 pounds over the current model depending on the engine it uses.

General Motors recalls another 8.4m cars

Associated Press General Motors has recalled a further 8.4 million cars as part of an ongoing investigation into a fault that causes the ignition key to turn unintentionally. Almost 30m cars across the US, Canada and Mexico have now been recalled by General Motors in 2014. Approximately 3,500 people are making claims for death or injury The recalls affect cars made as far back as 1997, but the American car maker insists that there is no conclusive evidence that faults with the cars caused crashes involving the vehicles.