Hydrogen is already fueling cars and stationary power systems in North America, Europe and Japan. Now Japan is envisioning an entire society powered by hydrogen and has opened its wallet to make that happen.
+Read MoreMirror, mirror on the wall, whose city is the greenest of them all? The mirror held up by the corporate strategy consulting firm Solidiance reflects the answer in a new report that compares the performance of 10 global cities and their green buildings.
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