The Exhaust Gas Cleaning Systems Association Ltd (EGCSA) is a specialized lobbying and industry association focused on exhaust gas cleaning system technologies, primarily aimed at reducing emissions from shipping and other industrial applications. EGCSA acts as a representative voice and technical advisor for manufacturers, developers, and suppliers of exhaust gas cleaning systems, supporting compliance with environmental regulations such as those issued by the International Maritime Organization (IMO) and regional EU authorities. The association provides factual technical information and advocates for sustainable, practical approaches to emission reductions via exhaust gas cleaning technologies. EGCSA’s membership includes leading companies involved in the design, installation, and approval of turnkey exhaust gas cleaning solutions, reflecting the diversity of technological approaches in the sector to meet stringent environmental standards. EGCSA also maintains resources such as a global database of operational restrictions for exhaust gas cleaning systems in different ports worldwide. Their work supports industry stakeholders in navigating emission regulations while promoting the sustainability of marine and industrial transport technologies. EGCSA is registered in the EU Transparency Register, which requires disclosure of lobbying activities and expenditure related to influencing EU policy on emissions and environmental standards in applicable sectors.