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Technology Stocks : Ballard Power -world leader zero-emission PEM fuel cells

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To: Scott Troy Munroe who wrote (3956)	4/1/1999 10:36:00 PM
From: Rickmas	Read Replies (1) of 5827

February 27, 1984 Hydrogen Fuel for Underground Mining Machinery Olavson, Lars G.; Baker, Nathaniel, R.; Lynch, Lito C.; and Mejia, Lito C. - SAE Technical Paper #840233 A hydrogen engine-fuel system is being developed as an alternative for powering underground mining machinery. A diesel was converted to a spark-ignited hydrogen engine and operated with a metal hydride, solid-state hydrogen storage system Performance and emissions data show that hydrogen can be used as an ultralow emission fuel for underground mining. A special method of fuel control has overcome abnormal combustion problems frequently experienced with hydrogen fuel. The turbocharged, after-cooled engine maintains NOx emissions (the only significant pollutant) below 0.7 gram per kilowatt-hour. Power and fuel consumption are comparable to the naturally aspirated, prechambered diesel version of the engine Hydrogen fuel is released from a metal hydride storage container by heat from the engine coolant. Through proper design, hydride containment can limit the leakage of hydrogen, in a worst-case accident, to acceptable levels. Found on the California Hydrogen Business Council website under "Scientific Papers" wmrs.edu

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