The US automotive industry is divided. Following substantial lobbying from the nation’s automakers, the Trump administration delivered much more than expected. Instead of merely weakening Obama-era emissions regulations designed to restrict vehicle pollution, new laws essentially rolled them back altogether.
The result: two thirds of US states are sticking to the newly relaxed standards, whereas 14 champion stricter, European-style emissions norms. California, which has been more stringent than others on hydrocarbon, NOx, gasoline, diesel and engine restrictions since the mid-20th century, is leading the way, with changes largely driven by the California Air Resources Board (CARB)….