PJ "Vote Green" CoffeyPeople remember leaded petrol right? And the hole in the ozone layer?
Did you know they were caused by the same guy?
Who gave himself lead poisoning demonstrating leaded gasoline was "safe"?
Strangled to death by an adjustable bed of his own invention?
https://en.m.wikipedia.org/wiki/Thomas_Midgley_Jr
Yeah... one of the many reasons I don't do chemistry.
Kevin Karhan 
Vaurien