Greenwire: These are some of the common-sense recommendations featured in a new report that highlights just how unprepared many energy program designers are when it comes to selling efficiency to the public. In a study (pdf) of programs aimed at improving residential energy efficiency, researchers at the Lawrence Berkeley National Laboratory found much to learn from. The results, they say, should serve as a guide to the more than 2,000 towns, cities, states and regions with stimulus funding to …