Biofuels Environmental Science Energy Resources and Consumption Biofuels Questions Why are biofuels important in transportation? What is biomass, and how can it be used as energy? What is plant biomass? What are the most common uses for a biomass? What challenges do you think would arise from a large scale conversion to biomass energy? How is biomass being used today? What is the efficiency of biomass energy? How does biomass fuel work? How is biomass stored? Energy Resources and Consumption View all chapters Energy Concepts Energy Consumption Fossil Fuel Resources and Use Nuclear Energy Hydroelectric Power Energy Conservation General/Other Forms of Renewable Energy Wind Energy Biofuels Prev