Moreover, much of the coal he bought from Burlington is low-quality lignite, a brownish fuel one step removed from peat, which can't be transported because it tends to spontaneously combust.
But the problem is that it takes a lot of natural gas to isolate the hydrogen, leaving many to say that it would be more productive to just combust the natural gas in a conventional engine.
The Wankel engine in the Mazda RX-8 houses a rapidly spinning cam that is shaped to compress and combust fuel and air against the inside of an oval chamber.