Alternative Fuels

The Underground Coal Gasification varies according to the context of its usage. In the context of petroleum substitutes, the term ‘alternative fuel’ can imply any available fuel or energy source, and does not necessarily refer to a source of renewable energy. In the context of environmental sustainability, ‘alternative fuel’ often implies an ecologically benign renewable fuel.

Posted in Business on November 29th, 2007 at 1:59 am.
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