1. gtfs2emis::ef_brazil_cetesb_db
    Emission factors from Environment Company of Sao Paulo, Brazil (CETESB)
    csv| xlsx| json| ndjson| rda| rds
    data.table|1098 x 9
  2. gtfs2emis::ef_europe_emep_db
    Emission factors from European Environment Agency — EMEP/EEA
    csv| xlsx| json| ndjson| rda| rds
    data.table|9913 x 22
  3. gtfs2emis::ef_usa_emfac_db
    Emission factors from California Air Resources Board (EMFAC Model)
    csv| xlsx| rda| rds
    data.table|79198 x 8
  4. gtfs2emis::ef_usa_moves_db
    Emission factors from MOtor Vehicle Emission Simulator (MOVES) Data.frame of emission factors for buses based on values from the MOVES3 Model. Estimates expressed in units 'g/km'.
    csv| xlsx| rda| rds
    data.table|198144 x 9