| ICS | Field |
|---|---|
| 75.160.01 | Fuels in general |
| 75.160.10 |
Solid fuels Including coal products, coke, peat, wood, derivatives of coal pyrolysis, etc. Coals, see 73.040 Solid biofuels, see 75.160.40 |
| 75.160.20 |
Liquid fuels Including gasoline, diesel, kerosene, etc. Liquid biofuels, see 75.160.40 |
| 75.160.30 |
Gaseous fuels Including liquefied petroleum gases Hydrogen, see 71.100.20 Natural gas, see 75.060 Biogas, see 75.160.40 |
| 75.160.40 |
Biofuels Including solid biofuels, liquid biofuels and biogas |