Impco Technologies subsidiary Quantum Technologies has developed a compressed natural gas (CNG) fuel system for the Opel-designed, Chevrolet-badged Zafira minivan produced at General Motors' Thailand Assembly Centre in Rayong province.

This coincidentally follows GM's recent debut of a CNG fuel pack option for the European-built Opel Zafira at February's Geneva motor show.
The Thai CNG Zafira has a 115bhp, 1.8 litre engine and retains the original petrol tank.

Recently GM Thailand announced that it had signed a letter of intent with the Petroleum Authority of Thailand and the Ministry of Science, Technology and Environment, for a pilot study to determine the viability of volume local production of CNG-fuelled Zafiras.

Quoted in the Wall Street Journal Interactive Edition, GM said that Thailand was the natural choice for the pilot study under its Global Alternative Fuel Project because of its abundant resources of natural gas.

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