Grant of US Patent Lifts Stuart Energy Systems Shares
TORONTO, Nov 27 (Reuters) - Shares of Stuart Energy Systems rose as much as 11 percent on Monday after the firm said the U.S. patent office granted it a patent that reduces the size and cost, and raises the efficiency of its hydrogen refueling systems.
Toronto-based Stuart, which is in a joint venture with Hong Kong billionaire Li ki-shing's Cheung Kong Infrastructure, is developing a hydrogen fueling system for use in automobiles that will be powered by fuel cells.
Fuel Cells use hydrogen, methanol or natural gas as a fuel to create an electrochemical reaction and produce power with low or zero emissions.
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