This is the 4610th most frequent Spanish word.
biocombustible
A fuel derived from biological sources such as plants or organic waste.
Usage as the subject of the sentence, describing its general role in energy production.
El biocombustible es una fuente de energía renovable.
Biofuel is a source of renewable energy.
Usage as a direct object, indicating what is being purchased for use.
Compramos biocombustibles para el motor del vehículo.
We buy biofuels for the vehicle's engine.
Usage within a prepositional phrase, discussing its broader implications.