 The "revised Renewable Energy Directive" covers the period 2021 to 2030, and also "calls for a further increase in the share of renewable energy in the EU's mix to at least 27% by 2030".At the same time, it aims to cut the use of crop-based biofuels to 3.8% of transport fuel and shift the market towards' secondary biofuel sources.There are also debates around converting land from food to biofuels, which could drive up food prices and threaten food security.