Compressed air isn't free

It's been stated on this site in many locations and many times; Compressed Air isn't free.

In fact, it's one of the most expensive energy forms for industrial or DIY use.

In one of the best articles I've seen relating to the high cost of compressed air and the cost of plant-wide leaks, Paul Studebaker, CMRP and Editor in Chief of Plant Services provides an in depth look at this important issue.