Amphibian bus does 70 mph on land, 21 mph on water.
Gen view people into bus.
Semi view man showing rudder and propeller.
Gen view bus along road.
Intr. shot from car.
Semi view shifting power from back wheel to propeller.
Gen view bus entering water.
Gen view & semi view bus in water.
Gen view bus coming out of water.
Vehicles; Ships and Boats; United States of America; Inventions
Background: Amphibian bus does 70 mph on land, 21 mph on water.