Alfdex AB is a Swedish B2B industrial manufacturer specialising in active crankcase ventilation systems for heavy-duty diesel engines. Their proprietary g-Technology uses centrifugal separation forces up to 3,000g to clean crankcase gases. The flagship g-Cleaner is installed in 9M+ heavy trucks, machines and buses globally. They also produce the g-Heater, a fuel-flexible heating system for BEV/hydrogen vehicles. Markets: on-road (trucks/buses) and off-road (agriculture/construction). Founded 2003 as a 50/50 JV between Alfa Laval AB and Concentric AB. SEK 544M revenue FY2024.