2015 bi-fuel CNG Chevrolet Impala

A separate CNG fuel tank, mounted in the trunk, enables the driver to switch between fuels at the push of a button when driving the 2015 bi-fuel CNG Impala. When the CNG tank is depleted, the system automatically switches to gasoline.

Aaron Turpen

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An automotive enthusiast for most of his adult life, Aaron has worked in and around the industry in many ways. He is an accredited member of the Rocky Mountain Automotive Press (RMAP) and freelances as a writer and journalist around the Web and in print. You can find his portfolio at AaronOnAutos.com.