- Bicycle – 0.4L/100 km
- Freight Train – 0.588 L/100 km per ton
- Honda Insight (original model) – 3.4 L/100 km
- Toyota Prius – 5.1 L/100 km
- Passenger Airline – 4.8 L/100 km per passenger
- RMS Queen Elizabeth 2 – 16.9 L/100 km per passenger
These numbers can be picked apart, disputed, and spun in different ways, but it’s a fun comparison nonetheless. They were pulled from the Wikipedia entry titled Fuel Efficiency in Transportation.