NEW PALTZ, N.Y. (AP) — Homes being built in this Hudson Valley cul-de-sac offer prospective buyers wooded lots, pretty views and — oh yes — the promise of thumbing your nose at the power utility.These “zero-net energy” homes will feature thick walls, solar panels and geothermal heating and cooling systems, meaning families should be able to generate more energy over a year than they consume. These homes under construction 70 miles north of New York City have costly green features. But the builders believe they are in tune with consumers increasingly concerned about the environment and fuel costs.And there are home buyers here and around the nation who are willing to pay more for savings down the line.“I don’t have to worry about $6,000 worth of utilities to run a house,” said Gil Lobell, a current zero-net home dweller moving his family into a larger house in the new development.