Calculating emissions according to EN 16258

The following steps are necessary to calculate emissions in accordance with EN 16258.

Settings: Select calculation method

• Click on Settings in the title bar at the top.

  The Settings window opens.
  

• In the navigation tree, select the entry Route planning > Emissions calculation.

• Select the option Calculation in accordance with EN 16258.

• If your vehicles run on biofuel, please specify the bio component of the fuel (diesel or petrol) under Admixture of biofuel as a percentage.

• Confirm your entries with OK.

Vehicle management: Specify the method for determination of the fuel consumption

• In the title bar, open the  Vehicle Management use case.

  Vehicle management opens in a new tab.

• Double-click on the desired vehicle in the list or create a new vehicle profile (see Creating vehicles).

• Click on the Fuel Consumption Method tab.

• Specify the method for calculating the fuel consumption.

  Element	Description
  Option Individual measurement	Select this method if you have specific measurements for the vehicle. If the option is enabled, you will be asked to enter the specific measurement for the vehicle before calculating the route. Required for the calculation PTV Map&Guide intranet the vehicle licence number or the name of the vehicle and a measurement of consumption for a specific distance.
  Option Route-specific average value	Select this method if you have recorded the consumption figures for a collective trip or another regular trip. If the option is enabled, you will be asked to enter the average value for a specific route before calculating the route. For the calculation, PTV Map&Guide intranetrequires the average consumption value for a regular trip and the corresponding route distance.
  Option Average value for individual vehicle	Select this method if you have recorded consumption figures for the vehicle. If the option is enabled, the calculation is performed with the average consumption per 100 km specified.
  Option Fleet value	Select this method if you have recorded consumption figures for your fleet. If the option is enabled, the calculation is performed with the average consumption per 100 km. Here you have to enter the appropriate figure in the entry field.
  Option Default values	Select this method if you have no recorded consumption figures. If you preset values alone, you must enter the reasons. These are then shown on the emissions report. Note: For emissions calculations in accordance with EN16258, you can choose whether the consumption values are determined on the basis of HBEFA or whether you wish to use consumption values from UK DEFRA 2014. Consumption value in accordance with HBEFA option: emissions are calculated on the basis of HBEFA. For this, the data which are relevant to the vehicle emissions must have been saved for the vehicle. In the Technical Data tab, check whether the unladen weight, the gross permitted weight, the emission class and the fuel type are listed. Consumption value in accordance with UK DEFRA 2014 option: Emissions are calculated on the basis of the consumption of standard vehicle types. In the list, select the vehicle type which is closest to the vehicle which is to be used.

• Confirm your entries with OK.