The US has not "maintained a low energy consumption". US total energy consumption is the second highest in the world, at 2x third (India), 3x fourth (Russia), 5x fifth (Japan), and 6x sixth (India). It was first until China overtook it in 2008. Here's a line graph from 1965-2024 of those 6 countries [1].
[1] https://ourworldindata.org/grapher/primary-energy-cons?tab=l...
Does it take into account the "massive energy cost" of manufacturing the ICE vehicle then?