noun🔗ShareBiodiéselFuel for diesel engines made of renewable organic raw materials as opposed to fossil hydrocarbons"The school bus now runs on biodiesel, a fuel made from vegetable oil, to reduce pollution. "El autobús escolar ahora funciona con biodiésel, un combustible hecho de aceite vegetal, para reducir la contaminación.fuelenvironmenttechnologyagricultureenergyChat with AIVocabulary GamePractice Reading