X 2004 Chevrolet Express Passenger (dedicated CNG)

6.0 L, 8 cyl, Auto 4-spd, Natural Gas

EPA Fuel Economy

Combined: 12 MPG

City: 11 MPG

Highway: 15 MPG

X 1990 Ford F250 Pickup 4WD

5.0 L, 8 cyl, Auto 4-spd, Regular Gasoline

EPA Fuel Economy

Combined: 13 MPG

City: 11 MPG

Highway: 16 MPG