greenhouse gas

Coal dominated U.S. power generation for decades.

They've set an interim target of 30% zero-emission vehicle sales by 2030.

The proposed facility would be capable of processing 30 tons of coal an hour.

Wyoming produces about 40 percent of the country's coal.

Travis Deti, of the Wyoming Mining Association, says the numbers are encouraging.

Wyoming officials say they are expanding efforts to find new ways to use coal that doesn't contribute to climate change.