The aggressive promotion of efficiency programs could cut $169 billion a year from the energy bills of U.S. business by 2030, according to a report whose authors include Senator Mark Warner, a Virginia Democrat.

The analysis from the Alliance Commission on National Energy Efficiency Policy says the U.S. could double its energy productivity -- the level of economic output divided by the energy used to achieve it. That would create thousands of jobs and save homeowners and businesses billions of dollars in annual energy costs, according to the report.

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