Does Hydrogen Live Up To The Hype?

At the turn of the century, there was a lot of buzz around hydrogen. Back then, Canada had been testing uses that run on hydrogen fuel cells. Gordon Campbell even promised us a "hydrogen highway" as a zero-emissions public transportation system. As we all know, this did not come to fruition. But why are we hearing about hydrogen again? And why did the buzz die down? You see, hydrogen is only found combined with other elements on earth. This...