Only CNG car on the market
Getting an estimated 24 city/36 highway miles/gasoline-gallon equivalent (GGE), Honda's Civic GX has earned the American Council for an Energy-Efficient Economy's "greenest vehicle" title for five consecutive years. Its 1.8-liter, i-VTEC four-cylinder engine produces 113 hp at 6,300 rpm and 109 ft.-lbs. of torque at 4,300 rpm; five-speed automatic transmission standard. Qualifies for single-occupant high-occupancy vehicle (HOV) lane access in Arizona, California, Colorado, Florida, Georgia, New Jersey, Utah, Virginia, and the District of Columbia; and free metered parking in Los Angeles, San Jose, and Santa Monica. Styling of the 2009 model includes a "Natural Gas Vehicle" decal on each rear door. American Honda Motor Co. Inc.

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