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New power-dense 2.0L GDI turbo with twin-scroll turbocharger and new combustion system offered in 2013 Chevrolet Malibu

Green Car Congress

A new, gasoline direct-injected (GDI) Ecotec 2.0L Increased efficiency in all of the new Ecotec engines is achieved in part through lower engine friction, which was reduced by up to 16% using new technologies such as a variable-displacement oil pump. Modular balance shaft system in the oil pan. New Ecotec 2.0L Click to enlarge.

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GM introduces new Cadillac 2013 ATS RWD luxury sport sedan; 2 four-cylinder, one V6 gasoline engine options, with diesel in the works

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All of the gasoline engines feature direct injection and dual overhead camshafts with continuously variable valve timing, which help optimize power and efficiency, as well as reduce emissions. GM is offering a choice of three power-dense engines, including two new four-cylinder units—a standard 2.5L Air-to-air intercooling system.

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