>The guys at Penn State have built an efficient hydrogen still. In a
>new table-top reactor, bacteria from wastewater produce abundant,
>clean hydrogen from cellulose, or even vinegar, and a little
>electricity.
>
>The press release suggests that hydrogen produced from cellulose and
>other renewable organic materials could be blended with natural gas
>for use in natural gas vehicles.
>
>"We drive a lot of vehicles on natural gas already. Natural gas is
>essentially methane," says Logan. "Methane burns fairly cleanly, but
>if we add hydrogen, it burns even more cleanly and works fine in
>existing natural gas combustion vehicles."
>
>Gary Lee has shown us his propane WBX at
>http://www.telusplanet.net/public/gary2a/rack/propane/propane.htm
>
>Round up some microbes and hit the road.
>http://www.nsf.gov/news/news_images.jsp?cntn_id=110648&org=NSF
>http://www.psu.edu/ur/2007/biohydrogen.htm

A hydrogen-injected turbomethane diesel...