Dr Huewe is a leading expert in ultrafine particle (UFP) emission and immission measurements. With extensive experience as a product manager, project lead, and freelance engineer in the automotive industry, he has played a key role in industrialising and implementing particle number measurements for periodic technical inspections (PN-PTI) in Germany. In 2023, he founded nanoDUST to leverage advanced, industry-scaled technologies from automotive emission measurement to enhance UFP monitoring for air quality assessments.