https://arstechnica.com/cars/2019/03/862520-fiat-chrysler-vehicles-have-emissions-issues-will-be-recalled/

Issues with the catalytic converters of 862,520 Fiat-Chrysler vehicles are prompting a semi-voluntary recall, according to officials from the US Environmental Protection Agency (EPA) and the California Air Resources Board (CARB).

The vehicles in question include: