Directory for National Emissions Inventory (NEI). To download files in a batch, you can run a script similar to this example: date echo "Retrieving NEI 2022 files . . ." wget https://www.acom.ucar.edu/wrf-chem/NEI_2022v2/all/emis_mole_all_20220102_12US1_nobeis_norwc_2022he_cb6_22m.ncf wget https://www.acom.ucar.edu/wrf-chem/NEI_2022v2/all/emis_mole_all_20220802_12US1_nobeis_norwc_2022he_cb6_22m.ncf wget https://www.acom.ucar.edu/wrf-chem/NEI_2022v2/all/emis_mole_all_20221017_12US1_nobeis_norwc_2022he_cb6_22m.ncf echo ". . . complete." date