"Algae is improved by a Work Barge, and will allow a Biofuel Plant to be built in a nearby city, which in turn gives the Algae hex +2 Energy."@en . . . "Algae is improved by a Work Barge, and will allow a Biofuel Plant to be built in a nearby city, which in turn gives the Algae hex +2 Energy."@en . "Algae (CivBE)"@en .