The file is referred to in 1 page
- Energy from Biofuels
https://serc.carleton.edu/integrate/teaching_materials/energy_sustain/student_materials/energy_from_bio.html
Provenance
From: Ariane van Buren, editor. A Chinese Biogas Manual,from the original by the Office of the Leading Group for the Propagation of Marshgas, Sichuan (Szechuan) Province, Peoples' Republic of China.
Reuse
Copyright held by the publisher, EnergyBook.co.uk, which kindly provided permission to use the figure. Not licensed for use beyond this site.
