Codsiga caadiga ah sida daawaha balaastiigga ah, iskudarka istaarijku ka buuxo, xarun bio-mass ka buuxsantay ama budada macdanta ka buuxsamay xarun loogu talagalay balaastikada noolaha sida PLA, PBAT, PBS, PPC, PCL, TPS iyo PHA iwm.