wagons diesel gate scandal cheating on emissions tests and making false promises to customers has put quite a dent into the image of some big names in the business how has this scandal changed the industry and how will it help transform mobility we'll talk to an expert here in a moment first an update on what all the fuss is about. due to air pollution several german cities could face driving bans in twenty eight teams the diesel engine and its emissions are mainly to blame it's becoming a familiar story diesel remains popular it's cheap and efficient critics say it's outdated and should be replaced as soon as possible. which comes on his approach to cause of all the diesel will continue to play an important role in certain areas such as truck traffic and shipping but it will lose importance in those areas as well and especially with cars alternatives are available by two thousand and twenty