Does anyone know how this interacts with the current rules that people have said unintentionally incentivize production of larger SUVs? Would these new rules e

Does anyone know how this interacts with the current rules that people have said unintentionally incentivize production of larger SUVs? Would these new rules eliminate that? Are the aggregate emissions restrictions going to apply to SUVs too, or allow any other loopholes that accidentally just move more sales to larger (and higher-emitting) vehicles?