75.160.40 Biofuels *Including solid biofuels, liquid biofuels and biogas

Solid biofuels - Determination of grindability - Hardgrove type method for thermally treated biomass fuels (ISO/TS 21596:2021)

Solid biofuels - Simplified sampling method for small scale applications (ISO 21945:2020)

Solid biofuels — Determination of water sorption and its effect on durability of thermally treated biomass fuels — Part 1: Pellets

Solid biofuels - Determination of water sorption and its effect on durability of thermally treated biomass fuels - Part 1: Pellets (ISO 23343-1:2021)