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The idea behind waste gasification is an attractive one: Take trash and subject it to extreme heat under anoxic conditions to produce syngas, a blend of carbon monoxide and hydrogen, which can be used as a fuel source. Despite its promise, its high operating costs and relative inefficiency had heretofore limited its applicability in most countries.

Yet, as reported by Technology Review's Peter Fairley, that is all set to change with the approval of North America's first gasification plant ...