Living on Earth: GELLERMAN: As any kid with a sidewalk lemonade stand knows – the more lemonade they sell, the more money they make. That’s the same business model that energy utility companies traditionally use. More sales, more profit. Now, imagine selling less and making more. Well, basically that’s part of the Obama administration’s economic stimulus plan. It’s called decoupling. And joining me to explain how decoupling works is Dr. Joe Romm. He’s a senior fellow with the Center for …