Browse Publications Technical Papers 972643
1997-08-06

Near-Zero Emissions Natural Gas Vehicle, Honda Civic GX 972643

A dedicated compressed natural gas (CNG) vehicle, based on the Civic 1.6 liter gasoline vehicle, has been developed. In order to optimize the engine for natural gas, the compression ratio, valve train system and exhaust system have been modified. Engine durability for operating on natural gas reaches high standards by selecting each engine component for the CNG application. A gaseous injector and integrated 2-stage pressure regulator were developed for precise fuel metering control. Consequently, high performance and exhaust emissions at “1/10th of ULEV” are achieved.

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