American households could save more than $1,000 a year by boosting energy efficiency at home and on the road over the next two decades, according to a new analysis from the Alliance Commission on National Energy Efficiency Policy.

The commission’s report, Energy 2030, outlines a broad plan to double U.S. energy productivity—that  is, to get twice the economic mileage for the same amount of energy use—by 2030. The commission, co-chaired by Sen. Mark Warner (D-Va.) and National Grid US executive’ Tom King, looked at not only households but also business and government, estimating that with an investment of $166 billion in more efficient buildings, vehicles and other sources of energy waste, the United States could add 1.3 million jobs and save