Turning Down the Lights

The U.S. could eliminate 40% of the projected growth of energy demand over the next decade. Here's how:

-- Install more energy-efficient lighting in commercial buildings

-- Adopt energy-efficient home air conditioners

-- Use improved lighting designs in new and renovated buildings

-- Tune up and repair existing home air conditioners

-- Upgrade commercial heating equipment and air conditioners

-- Optimize existing commercial-building management