air and gas solutions industry Belgium

...Compressed air is also used for pneumatic brakes on mobile fleets and trains. It is so commonly found in the industry that it is often referred to as the fourth utility after electricity, water, and gas. Of the four, compressed air consumes the most energy. Compressed air systems can vary greatly in size, production, and costs. What remains constant is that the initial investment in a compressed air system accounts for only 25% of the total costs associated with it over the system's lifetime. The other 75% of costs go to the energy used to compress the air.