www.stat.fi/meta/luokitukset/polttoaineet/001-2015/317_en.html
... Top level - Fuel classification 3 Renewable and mixed fuels 31 Biomass 317 Vegetable-based fuels 3171 Reed canary grass 3172 Cereal crops and straw parts 3174 Vegetable oils ...
02/10/2015