Air Liquide manufactures a complete line of pure and mixed specialty gases for use with instruments measuring vehicle and engine emissions from various sources. They are specifically engineered for tailpipe analysis and bench testing for all mobile engine applications.
Recycling of cars is a key point for the valorization of materials. Some of the recycling processes involve gas solutions provided by Air Liquide.
Aluminum alloys are used for heat exchangers in air conditioning, engine cooling, etc. The most developed joining method is continuous aluminum brazing with flux using a controlled atmosphere at atmospheric pressure.