York, Empa study finds retrofitting of VW diesel engines was successful
Green Car Congress
MAY 21, 2020
On the opening day of the Frankfurt International Motor Show (IAA), the US Environmental Protection Agency (EPA) published a Notice of Violation: VW diesel engines with 1.6 In many countries, the EA 189 engines manufactured by the VW group had to be retrofitted with software or hardware updates. Expensive lawsuits followed.
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