Old Refrigerator Trade-ins 

If you have an old refrigerator, Efficiency Maine Trust wants it.The new group is launching an effort to collect old fridges, saying they can gobble up hundreds of dollars in electricity per year.The collection will begin next fall.Efficiency Maine Trust says it will come and take away your old fridge for free, then offer a rebate for people who want to upgrade to an energy-efficient model.The agency says a 20-cubic-inch, top-freezer fridge built before 1980, can cost up to $350 a year in electricity.