aah algea counts as biomass. Building algea farms is not easy they need fully enclosed systems with controlled temperatures, Waste biomass on the other is waste that a profit can be made from just by picking it up, biofuels made for energy crops other then algae require far less maintenance and initial investment. I don’t see biofuels replacing all of petroleum, fusion or not electrics should replace most auto-transport, that takes out ~50 of oil use in the USA, biofuels will be best at replacing jet fuel and industrial feedstokes for plastics and asphalt.
