Is it time to rethink this idea of switching to hydrogen fuel cells?

Think about the Commodore 64 or TRS 80 for a second. My $5 calculator has more processing power than those computers had and cost hundreds less. Just because something is costly now doesn't mean it will be forever. Advancements and cost reductions will eventually occur. Did you know some fuel cells are now designed to extract the hydrogen from heavy fuel oil for use on ships? That oil has to be heated just to flow and will cause absolutely no explosive hazard in a vehicle accident, unlike gasoline.