(Refiles to add media packaging code, with no changes to text) WASHINGTON, April 14 : Maine lawmakers have passed a bill that could make it the first U.S. state to put a moratorium on new data centers as opposition to the electricity-hungry facilities grows across the country over their impact on household energy bills and the environment. The bill, which still needs final approval from Democratic Governor Janet Mills, would freeze approvals for data centers requiring more than 20 megawatts of