1. Information on: http://en.wikipedia.org/wiki/Biodiesel_by_region
2. Information on: http://www.wilson.edu/wilson/uploadedfiles/offices/academic_affairs/fulton_ctr/Biodiesel%20Safety%20Manual.pdf/
3. Information on: http://www.caseih.com/northamerica/AboutUs/Pages/biodiesel
4. Information on: http://www.deere.com/en_US/rg/servicesupport/faqs/index.html
5. Gromakov A.V., VAND, Mixer for biofuel production, 2, 31–34 2010