rctcr: Resource Technology Change Rate
Variable
Nonrenewable resource sector
Resource Technology Change Rate [1/year]
rctcr = clip (0, rct * rtcm , pyear , time)

rctcr in the updating graph: ( how to read )
In nodes
pyear : POLICY YEAR
rtcm : resource technology change rate multiplier
rct : Resource Conservation Technology
Out nodes
rct : Resource Conservation Technology