Going with hydrogen, by land or sea or air

The largest source of climate-disrupting emissions in the United States and Massachusetts comes from burning fossil fuels to power planes, trains, automobiles and ships.

Hydrogen has long been seen as a clean energy alternative, but, so far, it hasn't gone very far when it comes to powering transportation.

WBUR’s Bruce Gellerman concludes his series, Fueling the Future, with this story about the all places you'll (maybe) go with green hydrogen.