X 2009 Honda Civic CNG

1.8 L, 4 cyl, Auto 5-spd, Natural Gas

EPA Fuel Economy

Combined: 28 MPG

City: 24 MPG

Highway: 36 MPG

X 1990 Mazda B2200/B2600i

2.6 L, 4 cyl, Man 5-spd, Regular Gasoline

EPA Fuel Economy

Combined: 19 MPG

City: 17 MPG

Highway: 22 MPG