1. Divergence and convergence of automobile fuel economy regulations;Iguchi,2015
2. International Energy Agency, CO2 emissions from fuel combustion, https://www.iea.org/publications/freepublications/publication/CO2EmissionsFromFuelCombustion2017Overview.pdf [February 06, 2018].
3. Organisation Internationale des Constructeurs d’Automobiles (OICA), World vehicles in use – all vehicles, http://www.oica.net/wp-content/uploads//Total_in-use-All-Vehicles.pdf [February 06, 2018].
4. CO2-Reduzierungspotenziale bei Pkw bis 2020;Ernst,2012
5. Friction reduction of highly-loaded rolling-sliding contacts by surface modifications under elasto-hydrodynamic lubrication;Bobzin;Wear,2015