New York Times: Over the years, as Rick Murphy helped expand his familys auto business in Edina, Minn., outside Minneapolis, he wanted to install solar panels to cut the electricity bills, but the upfront cost was too high. Then a developer, Blue Horizon Energy, made a proposal: Grandview Tire and Auto, using a new loan program, could borrow the $34,000 to install the system and pay it back over 10 years, but instead of making traditional loan payments, they would be made through his property taxes. Now, with...