Topics | Umweltbundesamt

The share of environmentally friendly passenger transport has remained more or less constant since 2003, only slightly increasing until 2019 and reaching 20.6 %. In 2020 and 2021, it fell to around 18 % due to the pandemic and was back at 20.3 % in 2022.To keep the environmental impact of passenger transport low, the share of environmentally friendly transport in total passenger transport should b... read more

Buses are eco-friendly means of transport, nevertheless their climate performance can be increased still further. Today’s mobile air conditioning systems in buses still use the refrigerant tetrafluoroethane (R134a), a greenhouse gas with a 1,430 times higher impact to the climate than carbon dioxide. There is a climate friendly alternative: Some city buses already use CO2 air conditioning systems. read more