An Arduino with 40 lines of code, a temperature resistor, and servo are all that’s truly needed to save some dough with this thermostat by [Peter Hamilton]. LEDs and a potentiometer are added as well ...

Are you hot under the collar about rising electricity bills? They've been climbing this summer due to the heat and other factors. But on The Early Show Tuesday, Real Simple magazine's Kris Connell ...

Mr. Norris is a doctoral student at Duke University studying electric power systems. Amy Wasserman and her husband were stunned when the energy bill for their home in Wilmington, Del., topped $500 in ...