You need a new refrigerator. Your eye is on a stainless-steel beauty, while your husband is holding out for one with an “energy efficient” tag. Consult www.greenerchoices.org and you may find that your model will be less expensive in the long run — and better for the environment. The folks behind Consumer Reports launched the no-fee website, which rates products — from air filters to cars — based on how eco-friendly they are.