USEPA / EPA_MOVES_Model

Estimating emissions for mobile sources
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Incorrect start emissions when providing starting activity for only one day type #70

Open danielbizercox opened 5 months ago

danielbizercox commented 5 months ago

MOVES will calculate incorrect start emissions when running in the following configuration:

For example, if you only have local starts data for weekdays and want to use MOVES defaults for weekends, you may run into this issue if you use the starts or startsPerDay table to provide this information.

We intend to fix this issue in a future release of MOVES. Until then, we recommend using the startsPerVehiclePerDay table to supply starts information if you are affected by this issue. To do so, divide the number of starts per day by the corresponding source type population, which will result in starts per vehicle per day.