According to a new report, “Positive Energy Trends Bode Well for U.S. Security and the Economy,” smarter use of energy is the biggest contributor to three positive trends: reducing of oil dependence, slowing the growth of electricity needs and making energy services more affordable to Americans.

“Despite what you may be hearing from a final onslaught of negative campaign ads, the security and affordability of America’s energy services has never been better, and energy efficiency is the most important reason why,” said Ralph Cavanagh, co-director of the Natural Resources Defense Council (NRDC) energy program, who commissioned the study. “The latest data confirms that our consumption of energy, including oil and coal, remains well below its peak levels from a decade ago. However, we can and should do more.”

NRDC’s Second Annual Energy Report is an analysis of new government data on 2013 U.S. energy use that shows optimizing energy use through efficiency continues to contribute more to meeting U.S. energy needs than any other resource, from oil and coal to natural gas and nuclear power.

“Efficiency helps America get more work out of less oil, natural gas, and electricity while pushing our economy forward and cutting residential, business, and industrial customers’ bills,” added Cavanagh. “Far less costly than adding other energy resources like fossil fuels that also create climate-changing pollution, efficiency saves the nation hundreds of billions of dollars annually, prevents millions of tons of carbon emissions, helps U.S. workers and companies compete worldwide, and increases our energy security.”

The report notes the nation is already two-thirds of the way toward meeting President Obama’s goal of cutting 3 billion tons of carbon pollution by 2030 through his administration’s efficiency standards for appliances and federal buildings, which also will lower customer energy bills by more than $4 billion. Meanwhile, the government’s proposed emissions standards for existing power plants would keep over 5.3 billion additional tons of carbon dioxide out of the atmosphere. But based on the nation’s positive energy trends, the report says even larger reductions are feasible and cost-effective.