Elisa Wood is a long-time energy writer whose work appears in many of the industry's top magazines and newsletters. Her blog on energy efficiency appears on more than 100 sites and has been picked up by the New York Times and Reuters. She writes for Renewable Energy World magazine, Power Engineering International and AOL Energy, and has been a correspondent for McGraw-Hill/Platts Energy for more than two decades. She is the co-author of PennWell's US Guide to Renewable Energy and the US Guide to Combined Heat & Power. See more of her work at RealEnergyWriters.com.