Vehicle catalyst manufacturers seek EPA air policy overhaul

Makers of catalytic converters and some states are lobbying EPA to overhaul its policy on vehicle aftermarket converters in order to ease restrictions on sale of the emissions control technology, which they say will reduce prices of the devices, clean the air and compete with cheap and possibly illegal foreign imports. In a Nov. 15 letter to EPA Administrator Scott Pruitt , four U.S. manufacturers of aftermarket converters ask EPA to update what they say is an outdated 1986 national...