Some energy and climate change stories are easier to tell than others. Electric vehicles and renewable energy are easy to talk about as elements of an energy transition to a low-carbon future. Energy efficiency is harder, and that’s a paradox, because it offers some of the most rapid, permanent, and profitable ways to make progress in greening our way of life. So it is pleasing to hear that the government has started a policy refresh on the subject. Here’s a list of the features we should look for in good energy efficiency policy.