Other energy sources

Comprises following fuel classification categories:
- Vegetable-based fuels (3170)
- Animal-based fuels (3180)
- Landfill gas (3211)
- Biogas from wastewater treatment (3212)
- Industrial biogas (3213)
- Other biogas (3219)
- Liquid biofuels (3220)
- Recovered fuels (3231)
- Demolition wood (3232)
- Impregnated wood (chemically treated) (3233)-
- Other mixed fuels (3239)
- Gasified waste (3240)
- Plastics waste (4911)
- Rubber waste (4912)
- Hazardous waste (4913)
- Other waste (4919)
- Exothermic heat from industry (4920)
- Electricity, used in electric boilers and heat pumps (4940)
- Hydrogen (4980)
- Other non-specified energy sources (4990).