Rex Ewing has lived blissfully off-grid with solar and wind energy since 1999 when he left the dusty plains of Colorado and headed for the Rockies to build his wife, LaVonne, a long-promised log home. When he's not writing books or magazine articles about renewable energy-or his first love, horses-he and LaVonne are probably trekking through the back country, canoeing, or enjoying the 50-mile view from their deck.

Before moving to the mountains to concentrate on his writing, Ewing raised grass hay and high-strung Thoroughbred race horses in the Platte River valley. Whenever his employees were clever enough to corral him behind a desk, he served as CEO of a well-respected equine nutrition firm, where he formulated and marketed a successful line of equine supplements worldwide.

Ewing's books include Got Sun? Go Solar; Power With Nature; HYDROGEN - Hot Stuff Cool Science; Logs, Wind and Sun; and Beyond the Hay Days. His renewable energy columns can be found in Log Homes Illustrated and Countryside & Small Stock Journal.