Forums
Diesel Forum http://www.dieselforum.org/index.html
Biodiesel
National Biodiesel Board http://www.biodiesel.org/
Pacific Biodiesel http://www.biodiesel.com/
Biodiesel America http://www.biodieselamerica.org/
Biodiesel Association of Australia http://www.biodiesel.org.au/
BioDieselNow (Enthusiasists) http://www.biodieselnow.com/
British Association for Biofuels and Oils http://www.biodiesel.co.uk/
Canadian Renewable Fuels Association http://www.greenfuels.org/bioindex.html
Marine Biodiesel Handbook http://www.cytoculture.com/Biodiesel%20Handbook.htm
Alternative Fuels Data Center http://www.eere.energy.gov/cleancities/afdc/altfuel/biodiesel.html
Hemp Car (Hemp Biodiesel) http://www.hempcar.org/biofacts.shtml
Greasecar vegetable Fuel Systems http://www.greasecar.com/
Biodiesel Fuel Manufacturing
Biodiesel Industries http://www.pipeline.to/biodiesel/
BioDiesel International http://www.biodiesel-intl.com/
Making biodiesel at home http://www.veggiepower.org.uk/
Making biodiesel at home http://www.dangerouslaboratories.org/biodiesel.html
Biodiesel Suppliers
Canada Clean Fuels (ON, Canada) http://www.canadacleanfuels.com/
Topia Energy (ON, Canada) http://www.greenincubator.com/aboutbiodiesel/
UPI (ON, Canada) http://www.upi-inc.com/
Blue Sun Biodiesel (CO, USA) http://www.gobluesun.com/
Ag Environmental Products (NE, USA) http://www.soygold.com/biodiesel.htm
BioDiesel Filling Stations (UK) http://www.biodieselfillingstations.co.uk/