It may seem slightly ridiculous to consider the prospects for a future solar-hydrogen economy at an institute for theoretical physics at the University of Waterloo in Canada. After all, Canada is the capital of unconventional oil , also known as oil sands, also known as tar sands, which supply more than a million barrels of oil per day to the U.S. And the primary use of today's existing hydrogen economy--a $200 billion a year proposition--is adding the energetic molecule to such unconventional oils to make them more palatable to the global energy infrastructure.
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