Classic errors in logic throughout that article. Presumption of cause and effect - with little to no evidence on correlation.
How about a simple FIRST test ?
What is the COST per energy unit (kwh) in Europe vs the United States ? Be willing to be it's a heckuva a lot higher in Europe than in the US - for a variety of reasons, wind energy (extremely high cost, high percentage of EUROPE supply), taxes (ditto) ?
Higher cost COULD cause a lot lower 'consumption'/usage.
Then - what's the average TEMPERATURE difference twixt the two, ditto humididitty, etc. ?
Naw, let's jis go with the ASS-U-ME-tion, that Americans are just bigger users cuz everythin's bigger and better here.
Personally, the figures being used for American consumption, per person, seem waaaaaaaaaaaayyyyyyy to high.
Perhaps there could also be the tiny problem of mixing industrial/commercial/individual usage all in to the same pot, and stirring with a big spoon.
Guilting 101 exercise from the Propaganda-R-Us crowd ?