The world's most comprehensive, well documented, and well illustrated book on this subject. With extensive subject and geographical index. 108 photographs and illustrations - many color. Free of charge in digital PDF format on Google Books.
Graebner, Lynn. 1993. UC Davis buses will testdrive soybean diesel. Business Journal Serving Greater Sacramento (The) 10(36):12. Nov. 29. • Summary: In several weeks, buses out of the University of California will be running on soybean ...