Driving Conditions

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Vehicles > Driving Conditions

The load percentage correction is applicable to heavy duty vehicles and buses and it depend on the vehicle gross weight class and driving mode. A default value of 50% is given and this corresponds to the baseline emission factors of COPERT. In order to apply a different load percentage the user needs to provide an alternative value. Needless to say that load percentages should range between 0 and 100 denoting a totally empty or a fully laden vehicle respectively. The load factors are calculated and applied during the calculation of the hot emission factors.

In this form the user also provides the mean gradient class of the road for different vehicle categories (HDV and Buses) and different driving modes. Select a vehicle category and then choose between 6 gradient classes ranging between -6% (down-hill driving) to +6% (up-hill driving) for every driving mode. The 0% slope value means that no changes will be made to the baseline emission factors. The different road gradient corrections are only applicable for a limiting – and reasonable – speed range. The slope factors are calculated and applied during the calculation of the hot emission factors.

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