BASF Environmental Catalyst and Metal Solutions ((ECMS), also known as BASF Catalysts. formerly BASF Automotive Catalysts and Recycling (ACR)) is a company that supplies environmental and process catalysts. Its products include adsorbents, chemical catalysts, emissions control catalysts, air quality solutions, battery materials, temperature sensors, etc. The company develops technologies that protect the air, produce fuels, produces chemicals, plastics, and other products. BASF ECMS also provides precious metals procurement, sales, and other services.