Not to be obvious but: www.asq.org
The ASQ Quality Engineer's Handbook is quite good, as are a few of the study guides available for the Certified Quality Engineer examination.
I think the "Hydrogen Economy" is a lot further into the future than most will allow themselves to believe. The cost of producing hydrogen for filling stations such as the one in Richmond, CA is not commercially viable.
Natural Gas is the most practical fuel source available RIGHT NOW.