1. European Commission, SWD (2018) 185 final: Impact Assessment, Brussel, 2018, https://ec.europa.eu/transparency/regdoc/rep/10102/2018/EN/SWD-2018-185-F1-EN-MAIN-PART-1.PDF. Accessed 20 August 2019.
2. International Energy Agency, IEA (2017) The Future of Trucks, Paris, IEA Publishing. https://www.iea.org/publications/freepublications/publication/TheFutureofTrucksImplicationsforEnergyandtheEnvironment.pdf. Accessed 20 August 2019.
3. Transport Transition Concepts;Pagenkopf,2019
4. U. Bünger, H. Landinger, W. Weindorf, W. Rheinhold, J. Zerhusen, W. Zittel, Vergleich von CNG und LNG zum Einsatz in Lkw im Fernverkehr. In: Abschlussbericht, LBST, Ottobrunn, Germany (2016).
5. Performance of the 1 kW thermoelectric generator for diesel engines;Bass,1994