A particulate catalytic converter for a Diesel car is seen at the "Oberland Mangold Katalysatortechnik"...
A particulate catalytic converter for a Diesel car is seen at the "Oberland Mangold Katalysatortechnik" in Eschenlohe, Germany, October 5, 2018. Oberland Mangold developed a particulate catalytic converter to retrofit diesel passenger vehicles or light utility vehicles with a diesel particulate filter. REUTERS/Michael Dalder