The Usborne Book of the Future

TRANSPORT ON LAND AND WATER
TDmDRRDUJ S TRAIRS
Although most passenger train services in today’s world lose money, they still have several advantages over other transport systems. They are very safe, and can take loads from city centre to city centre causing little pollution and no congestion.
spin turbines (5). The spinning turbines power electric motors (6), one to each axle. The steam is condensed back into water after it has spun the turbines so there is no need to carry large quantities of water.
An alternative to carrying the furnace on the train is to have central fluid-bed power