Voluntary schemes can play an important role in providing evidence of compliance with the sustainability and greenhouse gas emissions saving criteria for biofuels, bioliquids and biomass fuels.
Prostovoljni programi imajo lahko pomembno vlogo pri dokazovanju skladnosti s trajnostnimi merili in merili za prihranek emisij toplogrednih plinov za pogonska biogoriva, druga tekoča biogoriva in biomasna goriva.