I went to a meeting on being Green

Here are some new ideas
Keep your thermostat set at 65 or below in winter and 75 or above in summer. We keep our at 62 in the winter and 80 in the summer.
Use concentrate cleaners
mop damp not wet
refrigerators that are older than 20years are not efficient
check with your power company for good deals on energy efficient water heaters and a/c or heat pumps.
also check for energy audit at your electric company website
use lemon juice along with vinegar and water for a cleaner. the lemon juice cuts the vinegar small and disinfects