Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had relied on a gas-powered furnace and water heater for a quarter century to stay warm. But ...

The new rules would have set increasing targets for sales of zero-emission products over the next decade. Opponents say they ...

Air quality regulators in Southern California are debating proposed rules that would curb harmful emissions from gas-powered ...

Three years ago, Ted Treadwell turned his water heater into a battery ... and Pacific Gas and Electric adds credits to his bill. He expects to recoup his investment within a decade.

The rules would set targets that aim to phase out the sale of gas-powered furnaces and water heaters starting in ... strain the power grid by adding more electric appliances.

and Pacific Gas and Electric adds credits to his bill. He expects to recoup his investment within a decade. “It’s a great system,” Treadwell said. “I wish more people knew about it.” Converting ...