Battered and abused by the regulatory behemoth, the automakers fear that the state of California --- which has a special waiver to impose more aggressive
tailpipe emissions regulations, though no power over CAFE standards — will create a regulatory situation in which different rules apply in California than in other states.
Not exact matches
The current
regulations are aimed at cutting
tailpipe emissions of carbon dioxide, a major contributor to global warming.
Still, any federal
regulations that Congess helps to create would probably preempt state laws regarding greenhouse gas
emissions from
tailpipes and elsewhere, Nichols points out.
It's worth noting that 2010
emissions regulations require an extra diesel exhaust fluid (DEF) combined with a rather complicated three - stage selective catalytic reduction (SCR) system to practically eliminate
tailpipe emissions.
Steel industry calls for shift in vehicle
emissions regulations from
tailpipe to total lifecycle
(This helps Nissan meet stricter
emissions standards in these states, all of which follow California
tailpipe regulations.)
The
regulations are the latest changes to the state's three - year - old Advanced Clean Cars program, a package of existing requirements for manufacturers that seek to cut smog - forming
emissions and greenhouse gases from
tailpipes of conventional cars and create a new market for carbon - zero ones.
The
emission standards, promulgated via the
Tailpipe Rule, make GHGs subject to
regulation under PSD and Title V, according to the Triggering Rule.
Most importantly, the Governor has directed the state to adopt the California
tailpipe greenhouse gas
emissions regulations that will increase the fuel economy of new vehicles purchased in the state by 40 percent.