PORTLAND — Hundreds of Maine businesses are calling on U.S. Sens. Susan Collins and Angus King to support new standards proposed by the Environmental Protection Agency for power plants.

Several business leaders are holding a news conference Wednesday in Portland in support of the proposed rules that would impose tough requirements on new coal-fired power plants, setting the first-ever limits on carbon dioxide and other pollutants blamed for global warming.

Bonnie Frye Hemphill of the Natural Resources Council of Maine says the proposed standards would require new power plants to meet the same standards as those in New England. She called them “common sense proposals.”

Senate Minority Leader Mitch McConnell of Kentucky said the EPA rule could eliminate jobs and “would effectively ban coal-fired power plants from being built in the future.”

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