> Ouch. =A0"Whether CFLs reduce greenhouse emissions  ...

> The basic premise would hold true for any illumination technology. =A0Ess=
entially "lighting efficiency can be irrelevant to greenhouse emissions." =
=A0Which makes sense, since HVAC tends to dwarf lighting when it comes to e=
nergy use...

The efficiency irrelevance was because the "saved" energy was produced
by "clean" sources and the consequent loss of heat output was made up
for with energy sourced from CO2 emitting sources.
This is specific to the Canadian situation in the provinces concerned.
They seem to have gone to commendable lengths to ask and answer the
question properly, even if one suspect their cor rational may not be
quite what it seems.  In NZ we have a preponderance of hydro based
power and the same result would be unlikely.


            Russell

--=20
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