The first hydrogen fuel cell was created in 1839 by Welsh inventor William Grove, but it didn’t produce enough electricity to be useful. Nearly 2 centuries later, critics still make the same claim, but governments and major car companies are betting otherwise.

For a peek at what a hydrogen future might look like, we visited Canada’s Hydrogen Highway project and the Vancouver Fuel Cell Vehicle Program. In this video, engineer Alison Setton explained a bit of the past, present, and future as they see it.