Imports where a larger share of GDP on 2008 than 2019 so that doesn’t explain away the decrease in energy consumption over the last decade.
US per capita oil consumption peaked in 1980 and recently total consumption has also fallen. Net fossil fuel use per capita is down significantly, which is why our CO2 emissions are dropping. https://www.macrotrends.net/countries/USA/united-states/carb...
Also, the US delegated most of the industry in Asia, and the energy consumption moved there.
If you buy an iphone in the US, the energy used to create and ship that iphone doesn't appear on the US consumption, yet it is american.
And of course, any local consumption is affecting the world as a whole.