In the northernmost reaches of Scottsdale, Arizona, Bryan Beaulieu, an engineer and inventor with 20 patents in structural systems, recently built a $2 million solar-and-hydro-gen-powered "dream" house. Though not the most expensive residence in this affluent community, the 6,000-square-foot luxury home is, by far, the most environmentally sustainable. It has "total integral design," says Bob Ingersoll, executive director of the Hydrogen Energy Center in Portland, Maine. "Beaulieus house uses less energy, which means less need to collect it. Nothing is wasted. Each function is taken care of either by design or natural law." This is the opposite of a fossil-fuel-dependent lifestyle, says Roy McAlister, president of the American Hydrogen Association in Mesa, Arizona. "And that lifestyle jeopardizes billions of people and creates inflation, pollution and conflict."
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