According to a study by the environmental research association ICCT, the difference between manufacturer estimates and actual carbon dioxide (CO2) emissions for new cars has widened. In 2022, new cars registered in Germany emitted 14.1% more CO2 on average than stated by car manufacturers, the researchers announced in Berlin on Wednesday. In 2018, the difference was 7.7%. For the analysis, the researchers compared official CO2 emissions data from the European Environment Agency (EEA) with real-world consumption data from more than 160,000 cars. The latter served as a measure of the actual CO2 …