python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Airflow.Multizone.Examples.CO2TransportStep_res.csv --start-time 0 --stop-time 86400 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 34.56 Buildings_latest_Buildings_Airflow_Multizone_Examples_CO2TransportStep.fmu