http://www.flickr.com/photos/kygp/ / CC BY-NC-ND 2.0 I could live quite well without a dishwasher, crockpot or oven. But no one wants to go back to the days before refrigerators. Because refrigerators work day and night, they use large amounts of electricity. Here are tips to keep your food fresh and your electric bill low. Avoid leaks. […]