We recommend that instead of running SMOKE-MOVES, you use the provided county-total onroad emissions here:
using the package here:
https://gaftp.epa.gov/Air/emismod/2017/onroad_as_nonpoint_saprc_speciation_scripts_inputs.zip
You can use the package posted under 2017 with the 2016 emissions. Just replace the inventories (there are two, EMISINV_A and EMISINV_B) in the run script with the 2016fh onroad FF10 (that would just be EMISINV_A).
For othpt, does your domain require parts of Canada?