paul wrote:
Only problem is that Hydrogen is not an energy source. It is merely an energy storage medium.

Paul, do you think RAND doesn't know that? Did you read this report? Did you even look at the first page of the summary? The authors make this point on the very first page:

Hydrogen is referred to as an energy carrier because, like electricity, it needs to be made from a primary energy source, such as natural gas.

RE: RAND Forum on Hydrogen Technology and Policy