The hydrogen fuel cell was invented in the early 19th century, and has been used to get rockets and astronauts into space since the mid-20th century. It releases no harmful emissions when burned, and is the most abundant substance in the universe.
Could hydrogen be the car fuel of the future?
This year, in California, Toyota is releasing their first hydrogen fuel cell vehicle, the Toyota Mirai. It has both critics and enthusiasts excited.
First, what are the critics saying? As pointed out in the featured video, it takes energy to make hydrogen fuel.