Profile: American Air Liquide is the U.S. subsidiary of Air Liquide, world leader in gases for industry, health and the environment, and is present in over 75 countries. Oxygen, nitrogen, hydrogen and rare gases have been at the core of Air Liquide's activities since its creation in 1902. Air Liquide combines many products and technologies to develop valuable applications and services not only for its customers but also for society. Innovative technologies that curb polluting emissions, lower industry's energy use, recover and reuse natural resources or develop the energies of tomorrow, such as hydrogen, biofules or photovoltaic energy. Air Liquide explores the best that air can offer to preserve life, staying true to its sustainable development approach.