Because of the various local weather mitigation probable for different biofuel pathways, governments and companies setup diverse certification schemes making sure that biomass use is sustainable, By way of example the Purple (Renewable Electrical power Directive) within the EU along with the ISO conventional 13065 by the Global Firm https://alexiseyocr.wikitron.com/1106044/how_biomass_pellets_can_save_you_time_stress_and_money