In article ,
Richard J Kinch wrote:

Buerste writes:

Would it be possible to mechanically
crack HCs into fuel on a large scale?

Yes, in fact, there was once a machine, which looked rather like an old
fashioned laundry wringer, which operated on this principle, and took in
grass clippings and used newsprint, and output gasoline and oxygen. Big
Oil bought up the patents, and it was never heard of again.

Umm. What are the patent numbers?

Joe Gwinn