This is from the article:
> There’s also a connection with how much Americans use their cars. In the US, people drive much more. However, that doesn’t fully explain the gap — US roads are also significantly more dangerous than those in Germany per kilometer traveled (https://ourworldindata.org/grapher/road-accident-deaths-per-...)
The main number seems to be that a single text query takes about 0.24 Wh, which is as much energy as 9 seconds of TV. They say they had a 33-fold drop in energy use in just one year.