Biofuel||367.46 Ontario electricity policy||242.36 Renewable energy||218.91 Biochar||218.91 Pyrolysis||203.27 Cellulosic ethanol||172 Ecological pyramid||172 European Biomass Association||140.72 Ethanol fuel||140.72 Algae fuel||132.91 Renewable energy in Scotland||132.91 Black carbon||125.09 Gasification||125.09 Indoor air pollution in developing nations||125.09 Second generation biofuels||125.09 Renewable energy commercialization||117.27 Antarctic krill||117.27 Trophic dynamics||117.27 Briquette||117.27 Primary production||109.45 World energy resources and consumption||93.81 Theoretical production ecology||93.81 Food chain||93.81 Refuse-derived fuel||86 Soil food web||86 Lignocellulosic biomass||86 Waste-to-energy||86 Bioenergy||86 Alternative fuel||86 Ecosystem ecology||78.18 Thermal depolymerization||78.18 Bioconversion of biomass to mixed alcohol fuels||78.18 Kleiber's law||78.18 Renewable energy development||70.36 Trophic state index||70.36 EconMult||70.36 Carbon dioxide sink||70.36 Environmental concerns with electricity generation||62.54 Butanol fuel||62.54 Aerobic granulation||62.54 Vegetation||62.54 Corn stover||54.72 Synthetic fuel||54.72 Fischer-Tropsch process||54.72 Renewable Energy Law||54.72 SunOpta||46.9 Biofuel in the United States||46.9 Biomass heating systems||46.9