EPA Enforcement Focus Yields Aftermarket-Parts Deals Amid IG Inquiry

EPA’s two-year-old enforcement focus on aftermarket parts manufacturers has yielded a series of new settlements to halt sales of illegal “defeat devices” that bypass or render inoperative EPA-certified emission controls on mobile sources, though the agency still faces an Office of Inspector General (OIG) inquiry into the program. Over the past few days, EPA has announced three Clean Air Act settlements with aftermarket parts companies across the country. For example, EPA won a surprise deal with Arizona-based Gear Box Z...