Vw faces massive fines for using in-car software to cheat u.s. emissions testing. why would it do such a thing? why volkswagen (allegedly) cheated on emissions tests "the software produced. Volkswagen emissions scandal; vw responds by admitting software was programmed to cheat testing: 18 sep 2015: public announcement by epa of order to recall 2009–2015 cars: or who made the decision to install this software" acted criminally, and must be held personally accountable. he also said the board only found out about the. Auto tech volkswagen, audi accused of using software to cheat us diesel emissions tests. in an open letter to the automaker and an official release, the epa claims that vw's diesels aren't as.

How volkswagen used software to cheat on its emissions tests a u.s.-based expert on diesel engines and testing said the defeat device software also had to be altered when vw changed the. The epa says volkswagen allegedly used software to circumvent emissions testing. photograph: fabian bimmer/reuters sophisticated software to cheat emission tests allowing its cars to produce. The scandal over vw cheating pollution emissions tests in the us is casting a cloud over the whole car industry. engines had computer software that could sense test scenarios by monitoring.