Information:
- http://www.answers.com/topic/biofuel
- http://library.thinkquest.org/20331/
- http://www.bioxcorp.com/what_is_biodiesel_how_its_made.php
- http://www.ecomall.com/greenshopping/20things.htm
- http://www.biodieselathome.net/History_of_Biodiesel.html
- http://www.biodiesel.org/
- http://www.futurecars.com/futurefuels/bioethanol.html
- http://www.esru.strath.ac.uk/EandE/Web_sites/02-03/biofuels/what_bioethanol.htm
- http://www.biogas.psu.edu/
- http://www.habmigern2003.info/biogas/methane-digester.html
- http://www.helium.com/items/1520942-biomass-energy-in-america
- http://www.ucsusa.org/clean_energy/technology_and_impacts/energy_technologies/how-biomass-energy-works.html
- http://www.calbiomass.org/history.htm
- http://www.environmental-expert.com/companies.aspx?idCategory=1070&word=bioethanol%20production
Pictures:
- http://carbon-credits.net/images/biomass.jpg
- http://www.terra2imports.ca/images/model-specific/bio_diesel_map.gif
- http://www.worldculturepictorial.com/images/content_2/biodiesel_production_cycle.jpg
- http://www.thecausemopolitan.com/upload/reuse_reduce_recycle1.jpg
- http://www.biogasmax.eu/media/schemas_1__047863900_1232_28022007.jpg
- http://www.bayertechnology.com/typo3temp/fl_realurl_image/bioethanol-methoden-Bi.jpg
- http://tonto.eia.doe.gov/kids/energy.cfm?page=biomass_home-basics
- http://www.uk-energy-saving.com/bioethanol_fuel_alternative_fuels.gif
Videos: