bioenergy
noun [ U ] uk/ˌbaɪ.əʊˈen.ə.dʒi/ us/ˌbaɪ.oʊˈen.ɚ.dʒi/
生物质能，生物能源
energy that is produced from a biofuel (= a fuel that is made from living things or their waste)
Bioenergy crops have replaced food as the most profitable crop in several European countries. 在几个欧洲国家，生物能源作物已经超过粮食成为盈利空间最大的作物。