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Pushing down energy use — and bills

Pushing down energy use — and bills

Sick of $450-a-month gas and electric bills for their Baltimore County rowhouse, James and JoAnn Allis replaced their old, inefficient air conditioner. And their windows and doors. Then they added insulation in their home's many leaky spots and coated their roof to keep the house cooler in the summer. Now the retirees pay about $220 a month. "That's a big difference," said JoAnn Allis, flipping through recent Baltimore Gas and Electric Co. bills. "We had to do it in spurts, but ... gradually one thing leads to another that all brings your bill down." They're not the only ones needing less energy. BGE says per-customer electricity use was about 10...