Biodiesel ni ubwoko bwingufu za biyomass, yegeranye na mazutu ya peteroli mu miterere yumubiri, ariko itandukanye mubigize imiti. Biodiesel ikomatanya ikomatanyirizwa hamwe ikoresheje amavuta y’inyamaswa / ibimera, amavuta ya moteri y’imyanda hamwe n’ibikomoka ku nganda zitunganya amavuta nkibikoresho fatizo, kongeramo catalizator, no gukoresha ibikoresho bidasanzwe hamwe nuburyo bwihariye.