CNG-powered vehicles have generally cost more to purchase ... Honey, they shrunk the trunk Even though a CNG tank is larger than a gasoline tank, you get fewer miles per tank.

The Honda Civic Natural Gas is the only car commercially available today powered by the clean petroleum substitute. It's a version of the standard Civic sedan, with a large cylindrical natural gas ...

A compressed natural gas tank consumes most of the trunk space of the Civic sedan, but other than that, the car's performance is quite conventional. In the past, Honda has offered GX buyers the ...