In recent decades, the world is focusing more and more on hydrogen-fueled vehicles as people are searching for greener and cheaper alternatives to petroleum.Today, cheap fuel cells are non-existent. They still cost automobile companies hundreds of thousands of dollars every unit. It will still take a long time before it is even considered for public use.
Actually, fuel cells may not only be used for automobiles. They can also work on your general electronic devices. More of it here in Renewable Energy World.
Link: Fuel Cells for Portable Electronics, and beyond
