“Yes my friends, I believe that water will one day be employed as fuel….Water will be the coal of the future.”

So said author Jules Verne in his novel, The Mysterious Island, in 1874. And it seems he may well be proven right. At the time, a small number of scientists had published papers on devices that combined hydrogen and oxygen to generate a small electric current – but it wasn’t until 1939 that these ‘fuel cells’ seemed like they might be a truly practical idea. Fast forward to the dawn of the 21st century, and fuel cells were being investigated by almost all major automotive manufacturers. Today, at least six have fuel cell cars available for purchase.

Read More: Forbes