Letters to the Editor
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bearpaw1
Higher sunk costs = longer ROI, it's axiomatic. If it were not, everyone would do it. Trust me, Progress energy, Duke power, Alcoa are not resisting going green for the hell of it. We here in the US have smokestack scrubbers not because it's a nice thing to do but because the EPA says they have to have them. And the concept of retrofitting grees tech on top of old tech is fantastically expensive. Sorry but that's just the real world. Green proponents seem to be constantly amazed that this is the case and resist all attempts at incremental improvements.