It’s not really a pendulum. A law with unintended consequences needs to be adjusted or repealed: Corporate Average Fuel Economy (CAFE)
It also looks like, for better or worse, CAFE compliance penalties were eliminated in the "one big beautiful bill" act? So the changes you advocate have been made? (And applies retroactiely to model years 2022 and above). So we'll see if small cars come back as a result, I guess? https://news.sustainability-directory.com/policy/congress-el...