Hydrogen fuel cells could power ships at port

Sandia National Laboratories researcher Joe Pratt conducted a study on the use of hydrogen fuel cells to power docked ships at major ports. He found the potential environmental and cost benefits to be substantial. Here, he discusses the study and explains how hydrogen fuel cells can provide efficient, pollution-free energy to ships at port (0:20).

SAND 2013-4643W

[bobobobo]

How do you make the hydrogen? how much electricity does that use? how do you make the electricity to to make the hydrogen to make electricity? how much energy is lost. I think it would be much easier, cheaper, safer, and less polluting to just plug the ships into the local electric supply when they are in port. one of the few reasons to use a fuel cell is that it is portable (like a car/ship etc) but if it is just sitting on a dock, there is no reason for a fuel cell IMO