Perspective: A View Into the New GM
Green Car Congress
AUGUST 30, 2009
mpg in 2016, GM’s short term answer is to get greater mileage out of existing gasoline engine technologies. I was able to spend 10 minutes driving a Saturn Aura sedan with an (HCCI) engine system. As a gasoline technology, HCCI provides the fuel economy benefits of lean burn without requiring additional NO x after treatment.
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