hi lucy...
here is
the thread on burning veggie...
one of the posters even invented, sells and installs conversion kits,
and there are links to many of the vendor sites on this topic...
Veggie diesel users?
the issue of 'greening' rv travel goes way back here...
"Green" Airstreaming Green Airstreams
almost every issue u might consider (compost toilets for example) has a few threads...
while there are dozens on solar, wind, reusing waste water and so on...
go to the forum main page and just scan some of the 100s of topic listed..
http://www.airforums.com/forums/
or try the search tool, it is VERY useful and ...
it's like recycling our previously composed' information!
cheers
2air'