GSB 7.0 Standardlösung

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TREMOD

The Federal Highway Research Institute has been using the Transport Emission Model TREMOD (Transport Emission Model) for the preparation of regulations and political decisions and for answering questions on the subject of traffic and emissions in Germany for many years.

All passenger traffic carriers (cars, motorised two wheelers, buses, trains, aeroplanes) and goods traffic carriers (trucks, trains, ships) operating in Germany from the base year 1980 are included in TREMOD until the year 2030. The base data range from driving, traffic performance and degrees of utilisation to the specific energy consumption and the emission factors (emissions in g/km) of vehicles.

Nitrogen oxides, sulphur dioxide, hydrocarbons (NMHC, CH4, benzole), carbon monoxide, carbon dioxide, diesel particles and dust are classified as emissions. The direct emissions including the evaporative emissions and those emissions formed in the preliminary process chain are assessed.

The chart shows the development of hydrocarbon emissions Development of hydrocarbon emissions in road traffic in Germany, 1960 to 2030 in kt/a Source: TREMOD 4.0

Due to its high significance in polluting human beings and nature, motorised road traffic is represented in great detail in the model. Here the driving performance, energy consumption and emissions are included in as differentiated a way as possible according to drive configuration, vehicle size (cubic capacity, mass), age of the vehicle, emission level, degree of loading, road category, traffic situation as well as incline/gradient of the driving path.

The chart shows the development of  CO2  emissions Development of CO2 emissions in traffic in Germany, 1960 to 2030 in kt/a Source: TREMOD 4.0

The most important current areas of use of TREMOD are:

  • Fulfilment of the national and international reporting duties of the federal government in the area of "Traffic energy and emission".
  • Preparation of political decisions (for example, legislation on exhaust fumes, promotional measures) checking of effectiveness of measures in scenario observations.
  • Checking of reduction goals, for example, due to obligations at the international level: NEC directive (National Emission Ceilings), Kyoto protocol.
  • Conducting comparative calculations, particularly for ecological balance sheets.