Most alternative


Hydrogen is probably the best fuel the world could use. There is nothing cleaner than fuel generated from water. The problem, though, is in its conversion and not its availability—hydrogen is the most abundant element in the universe. But it is exorbitantly costly, difficult to produce, handle and store. A team has stepped in with a solution to the cost factor: a molybdenum-oxo complex as a catalyst "70 times cheaper than platinum" that is currently used to split water molecules. It does not require organic additives like most other catalysts. It can even work on dirty water or seawater—a natural electrolyte and the most abundant source of hydrogen.


Down to Earth, June 2010