Audi developed cheat software to rig emissions tests as far back as 1999, which was later used by Volkswagen to cheat emissions tests, according to new findings.
The report by German newspaper Handelsblatt says that the cheat software was created to combat restrictions introduced in 2001 by European law, which aimed to limit nitrogen oxide emissions to 0.5g/km.
However, Audi did not implement the illegal software, which was instead adopted by Volkswagen in 2005 when it failed to bring nitrogen oxide levels below the legal limit.
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