Heavy-duty engine will burn hydrogen-CNG fuel

June 16, 2005
Collier Technologies Inc. (CTI) has formed a new company called City Engines Inc. to develop and market hydrogen/natural gas (HCNG) engines.

The DHI 11-liter engine runs on 30% hydrogen and 70% natural gas.


Collier Technologies Inc. (CTI) has formed a new company called City Engines Inc. to develop and market hydrogen/natural gas (HCNG) engines. The new firm has distribution agreements with Daewoo Heavy Industries (DHI) for its heavy-duty gas engines. City Engines will initially offer a base DHI 11-liter engine outfitted with CTIdesigned cylinder heads.

The HCNG 11 uses 30% hydrogen and 70% natural gas to produce 282 hp and 866 lb-ft of torque. The hydrogen-CNG blend offers better fuel economy and needs less maintenance than CNG alone. City Engines will compete directly with established manufacturers such as Cummins Westport. HCNG is stimulating interest based on its potential for further emissions reduction and as a bridge technology to full hydrogen.

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