I found an interesting website called the Spirit of Ma'at.  On it, there's an article detailing the work of Rothman
Technologies, a small Canadian company, in enabling an ordinary combustion engine, just like the one in your car, to run on a mixture of tap water and salt. A cheap metal alloy is thrown into the water, causing the hydrogen to bubble up and feed itself into a tube leading to the engine block. The catalyst in this process, the alloy, is as I said
cheap: an engine could run for 4 hours on a strip of alloy costing one-half of one cent Canadian. Besides ending our dependency on Middle East oil, or any oil, it would cause virtually no pollution. Check out the article here.  And check out the accompanying video here.

    Maybe it will work. Let's hope.