Energy
Energy is a feature of a product and transportation
Material energy
- Diesel (Trucks, cars, trains...)
- Fuel (multiple octanes, unleaded vs. leaded) (cars, motorcycles...)
- Biofuel (cars)
- Crude (ships)
- Kerosine (airplanes)
- Hydrogen (cars)
- Wood (heating, cooking...)
Electricity
- Oil
- Nuclear (causes nearly permanent damage in the form of making radioactive materials from less radioactive ones)
- Coal
- Natural gas
- Solar
- Water
- Wind
- Wood
- Peat
- Burning rock
Natural
- Sun (farming, heating...)
- Wind (sailing)
- Animal (carrying)
- Human (human labor)
- Waterflow (transport)
this is in no special order and incomplete.