We looked into this a while back as part of the CSI Printing Committee's
work. Jeff Adrian was using a software (I forget the company) that I
believe did what you were referring to. We were interested, at the time,
in encouraging the inventory software developer ( I believe the name
started with an "H" to develop an environmental component. Perhaps
this is something that PNEAC could explore. The benefit would be that it
wouldn't be viewed as something "extra" or "superflous" but would
make the benchmarking analysis more integral to business operations.