or put another way - manufacturers building mostly guzzlers are about to get hammered; US Regulators Hike Penalties for Automakers Missing Fuel Efficiency Targets | Auto Futures Sloppy efficiency manufacturers best keep looking over their shoulder - the NTSA is coming for you. .
They might have already approved it. This is from a 2016 regulation change to bring the fines in line with inflation. It was supposed to go in effect in 2019, but the previous administration got it delayed to 2022.
