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The idea of producing cleaner-burning hydrogen to rid the world of fossil fuels is gaining traction in the unlikeliest of places: Alberta, home of the infamously dirty oil sands. Better known for energy companies that have been blacklisted by the Church of England for their emissions-intensive crude, the oil-rich Canadian province has attracted a growing group of researchers and entrepreneurs betting that the region's vast resources can turn it into one of the world's largest hydrogen suppliers.
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