Chevrolet's CNG-burning Impala gets $39,000 price tag

Bi-fuel Impala commands $9,000 premium over gasoline-only V6 package.

General Motors has announced pricing details for the 2015 bi-fuel Chevrolet Impala ahead of its arrival later this year.

The bi-fuel edition will retail for $39,035 (including destination fee), commanding a $12,000 premium over the base Impala and nearly $9,000 more than the gasoline-only V6 package.

A compressed natural gas (CNG) tank mounted in the trunk provides the equivalent capacity of 7.8 gallons of gasoline, providing an estimated 150 city miles of range before refueling or switching to gasoline operation. Gasoline and CNG combined range is expected to reach 500 city miles.

Chevrolet has adapted its 3.6-liter V6 mill with hardened valves and valve seals to provide improved wear resistance and durability with the CNG fuel system.

The bi-fuel edition is primarily aimed at fleet customers that require a full-size car used for short hauls in a city setting, where the Impala is claimed to save approximately $1.25 per gasoline-gallon-equivalent when running on natural gas only.

Fleet and retail customers will be able to purchase the bi-fuel edition in either an LS base trim or a higher LT trim, both of which will be available in the fourth quarter of the year.

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