(3) energy crops (switchgrass, miscanthus, short rotation hardwood specifically grown for biofuel production), and (4) various types of cellulosic wastes (municipal solid waste, pulp mill and lumber mill wastes)
(3)energy crops (switchgrass, miscanthus, short rotation hardwoodspecifically grown for biofuel production), and (4) various typesof cellulosic wastes (municipal solid waste, pulp mill and lumbermill wastes)