BUZZ-Westport Innovations Inc: Oil prices rise
** Shares of Canadian company up 14.5 pct at C$6.09, reflecting a rally in global crude prices on Thursday
** U.S.-listed shares up 16 pct at $4.91
** Westport makes engines fueled by natural gas and other alternative fuels, which would benefit if oil became expensive again
** Brent crude futures up 4.5 pct at $56.60; U.S. crude up 5.3 pct at $51.00 at 13.50 p.m. ET
** Up to Wednesday's close, stock had fallen 71 pct in the past 12 months on the Toronto Stock Exchange
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