Key Takeaways TSLA's regulatory credit sales fell to $439M in Q2'25, down from $890M a year earlier.A new bill has removed CAFE penalties, slashing automakers' need to buy credits from Tesla.Legacy automakers scaling EV production further reduces demand for TSLA's credits.For years, Tesla (TSLA) has made big money not just from selling electric vehicles (EVs), but also from selling regulatory credits to other automakers. These credits have aided Tesla's overall margins, even when car sales were under pressu ...