GM to introduce CNG-gasoline bi-fuel Chevrolet Impala in US next summer
Green Car Congress
OCTOBER 16, 2013
This will be the only manufacturer-produced full-size bi-fuel sedan in the US, and is expected to go on sale next summer as a 2015 model. Currently, the only natural gas vehicle from a major manufacturer on sale in the US is the Honda Civic Natural Gas. A separate CNG fuel tank is mounted in the trunk. —Dan Akerson.
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