
Improving energy efficiency has the potential to deliver bigger cuts in greenhouse gas emissions than any other action, experts say.
Whether companies should be forced to become more efficient or merely encouraged is the nub of contention between state and federal governments.
Academics, bureaucrats and executives have debated for years why companies do not grab energy saving opportunities on their own.
Reasons include companies' intentions being focused more on growth and competition than the potential for internal scrimping.
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