― Mention hydrogen as a fuel source and politicians, scientists and techies get that glassed over look in their eyes. Simply put, hydrogen is a perfect fuel. It can be combined with oxygen to produce electricity. Hydrogen is the most comment element on our planet. When used as an energy source, it produces no greenhouse gases or other pollutants. Sounds great, right? ∙ There is just one problem with the idea of using hydrogen as the solution to all of our energy problems. While hydrogen [...].