Denne kategori omfatter biodiesel (methyl-ester med dieselegenskaber fremstillet af vegetabilsk eller animalsk olie), biodimethylether (dimethylether fremstillet af biomasse), Fischer Tropsch (Fischer Tropsch fremstillet af biomasse), bioolie udvundet ved koldpresning (olie fremstillet af oliefrø udelukkende ved mekanisk forarbejdning) og alle andre flydende biobrændsler, der tilsættes, blandes med eller anvendes direkte som transportdiesel.
This category includes bio-diesel (a methyl-ester produced from vegetable or animal oil, of diesel quality), biodimethylether (dimethylether produced from biomass), Fischer-Tropsch (Fischer-Tropsch produced from biomass), cold extracted bio-oil (oil produced from oil seed through mechanical processing only) and all other liquid biofuels which are added to, blended with or used straight as transport diesel.