biofuel

biopolttoaine Any fuel that is obtained from a renewable biological resource, especially from biomass
2012, w:George Monbiot|George Monbiot, w:Guardian Weekly|Guardian Weekly, August 24, p.20

Even second-generation biofuels, made from crop wastes or wood, are an environmental disaster, either extending the cultivated area or removing the straw and stoverNoun stovers which protect the soil from erosionNoun erosion and keep carbon and nutrientNoun nutrients in the ground.