Sources
The pictures and information found in this web page are all courtesy of the following pages and articles:
- http://en.wikipedia.org/wiki/File:Sunflowers.jpg
- http://www.pacfuel.com/historybd.htm
- http://www.chm.bris.ac.uk/webprojects2006/Walters/pac.html
- http://www.fueleconomy.gov/feg/biodiesel.shtml
- http://www.berkeleybiodiesel.org/advantages-and-disadvantages-of-biodiesel.html
- http://www.digtheheat.com/Biofuel/biofuel_prosandcons.html
- http://www.carsdirect.com/green-cars/the-advantages-of-biofuels-over-fossil-fuels#b
- http://www.organicproducts.co.za/products-page/seed-oil/
- http://energyfromwasteandwood.weebly.com/generations-of-biofuels.html
- http://biofuel.org.uk/types-of-biofuel.html