As we suspected back in May based on spy shots, Chevrolet is adding a bi-fuel version of the tenth-generation Chevy Impala that can run on both regular gasoline and compressed natural gas (CNG).

SAND SPRINGS — The City of Sand Springs was awarded $29,703 through INCOG’s Clean Cities Program with Congestion Mitigation and Air Quality public fleet conversion funds. With these funds, the City ...

He says the 2012 Ford F-150 bi-fuel vehicle will spend the most time around Laramie, along the Interstate 80 corridor, in western Wyoming such as Sweetwater, Fremont and Big Horn counties and areas ...