$300 is a number that has been calculated several times as the externalities caused by burning a tonne of carbon. That's over $6 per gallon, so I'm not being hyperbolic.
Considering the hysteria that $10/tonne is causing in Canada, I don't think my riots statement is hyperbolic either.
Considering the hysteria that $10/tonne is causing in Canada, I don't think my riots statement is hyperbolic either.