Survey shows many are still clueless on how to save energy

People turn off lights in vain, ignoring real efficiencies

Many Americans believe they can save energy with small behavior changes that actually achieve very little, and severely underestimate the major effects of switching to efficient, currently available technologies, says a new survey of Americans in 34 states. The study, which quizzed people on what they perceived as the most effective way to save energy, appears in this week's Proceedings of the National Academy of Sciences.

The largest group, nearly 20 percent, cited turning off lights as the best approach—an action that affects energy budgets relatively little. Very few cited buying decisions that experts say would cut U.S. energy consumption dramatically, such as more efficient cars (cited by only 2.8 percent), more efficient appliances (cited by 3.2 percent) or weatherizing homes (cited by 2.1 percent). Previous researchers have concluded that households could reduce their energy consumption some 30 percent by making such choices—all without waiting for new technologies, making big economic sacrifices or losing their sense of well-being.