My understanding was--and I'd have to sit here for five minutes to calculate it exactly--that the U.K. compared to Canada, in terms of the average person's petrol prices, was something on the order of a $170 tonne carbon tax already. The difference they pay at the pump versus what we pay at the pump is already $170 a tonne. But again, that's subject to check.
On March 31st, 2009. See this statement in context.