Q117. Part 2. China's SUCCESSFUL first HYDROGEN FUEL CELL SHIP completes maiden voyage. Hydrogen is cleaner than oil? Is hydrogen free?
(www.chinadaily.com.cn)
Q-analysis?
You're viewing a single comment thread. View all comments, or full comment thread.
Comments (41)
sorted by:
The dirty little secret is HYDROGEN IS AN ENERGY STORAGE MEDIUM, NOT AN ENERGY SOURCE. For all practical purposes hydrogen must be separated from other materials using some other form of energy. Extracting energy from hydrogen simply releases approximately the same amount of energy that it took to separate it in the first place.