Pollution, a documentary about the water doping, manufacturers, including PSA, knew!

Patrick Lefrere is making a documentary, complete and very well done apparently, on the water doping in thermal engines.

This documentary is a review as neutral as possible on the subject and it looks pretty good, here is the trailer, we see, in particular, automotive engineers PSA Peugeot:

Debate on forums: water doping, auto manufacturers know and for a long time!

Read also: Involuntary discovery

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