HFCs. 21.6. 31.8 (12.7). PFCs. 4.2. 3.3 (8.6). SF6. 2.7. 2.2 (5.1). NF3. 0.5. 1.4 (1.2). LULUCF sector. 37.0. ― (―). Promote measures for greenhouse gas removals through the promotion of forest management/forestry industry measures. Promotion of soil management leading to the increase of carbon stock in cropland.