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So, when I got to this site and saw these maps, I was quite surprised. Not only did it blow my conceptions out of the water, it appeared that not only do we pay less for gas, but our highest prices seem to match their lowest prices.
I began to question my math skills, which I haven't really needed to use much since 1st year physics. So I broke out the old pencil and paper and did some math, using the average U.S. and Canadian prices noted on the site:
Avg US Price: $2.860/gallon
Avg CDN Price: 106.461/L
Converting their price to CDN dollars:
$2.86/gallon * exchange rate = CDN$ 3.17194/gallon
Then converting to litres (1US gallon = 3.785L):
CDN$ 3.17194/ 3.785L
Simple division gives us:
CDN$ 0.838/ 1L
Well, isn't that interesting. On average, not only do we pay more for gas, we pay over 20 cents per liter more per gas. So, undaunted by the map maker who should probably have syncrhonized the colour ramps he used to symbolize the maps, I needed to find out why we paid more. The answer, it seems, is simple...and is very Canadian:
TAXES!
It turns out that (on average) 32% of our gas price is taxes. I figured it was probably around 15%, so that's a bit of a shock.
Source
So, that must be the culprit...until I saw that the average gas tax in the U.S. is ~40%.
Source
So, using those tax figures, we pay ~72.4 cents/L before tax, whereas in the states they pay ~50c/L before tax. FIFTY CENTS PER LITER?
So, I'm at a bit of a loss. The way I see it, we either pay more for the crude oil (which doesn't make sense since it's a commodity that's traded globally, so should have a constant price), more for refining, more for distribution, or we give more to the retailer. But I'm done looking up statistics for the time being, except for one last one:
In the UK, the prices work out to around 2.00/L, so it could be worse :)