BASF's Catalysts division, headquartered in Iselin, New Jersey, US is one of the world's largest suppliers of process catalysts. The group employs 4,000 people at 30 factories worldwide. In this interview, Matthew Beecham talked with Dr Thomas G Droege, Global Marketing Director, BASF Mobile Emissions Catalysts about the technical trends occurring in the exhaust sector and specific impacts on the catalytic converter.