Hydrogen, being the most prevalent element in the Universe, has been around a while. However the only time the concept of hydrogen as fuel was really utilized was in 1928-1930 when Rudolph Erin, a German engineer, converted several thousand trucks, buses, airplanes, submarines and cars to run on hydrogen fuel. These were internal combustion implementations.
Erin sat out WWII in Canada and by the time he returned to Germany after the war the United States had built the world wide oil companies to supply the military machine, Saudi Arabia was on line and oil and gasoline was cheap. The world has been stuck on the depleting oil path for the last sixty five years.
The world has consumed over a trillion barrels of oil so far and there are still an estimated two trillion barrels of hard oil to be had, at great expense. The only difficulty is that burning an additional two trillion barrels of oil will doom the planet to Venus type global warming and bring an end to the species (us) who were smart enough and stupid enough to build a global "civilization" on the basis of a polluting, depleting resource.
Solar hydrogen fuel is the only way to a secure future and the requirement is to provide it and change the concept from polluting fossil fuels as fuel to clean renewable hydrogen as fuel.
John Gotthold- President of the Silicon Valley Chapter of the American Hydrogen Association.
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