The inquiry was launched after complaints from the Highlands and Islands Action Group on Hydrocarbon Fuel Prices.

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This will use a hydrocarbon fuel (think exotic petrol) rather than hydrogen.

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FuelCell Energy touts the ability of its fuel cells to directly process a hydrocarbon, such as natural gas or waste gas from a sewage treatment facility.

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If you oxidize any hydrocarbon, you generally produce heat, carbon dioxide, and water vapor, assuming a relatively pure fuel source.

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