Margo Oge left the US Environmental Protection Agency (EPA) four years ago, but she has not forgotten the lessons she learned there.
Oge, who was director of the EPA's Office of Transportation and Air Quality from 1994 to 2012, came to Brussels last week with a clear message for Europe: be much tougher on car companies that are polluting more than the legal limits.
She told an event organised by environmental lobby group Transport & Environment last Thursday (9 June) that she was ...
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