But the assertion was that environmental regulation was regressive, in that it disproportionally impacts those on the lower end of the socioeconomic spectrum. S

But the assertion was that environmental regulation was regressive, in that it disproportionally impacts those on the lower end of the socioeconomic spectrum. So I was trying to show, a bit ham-fistedly maybe, that incrementally more expensive new vehicles do not impact the lower socioeconomic rungs very much.