mercury

1985 Freddie Mercury tune unearthed

Before recording the final version of "Time," Freddie Mercury sang a stripped-down version for singer/producer Dave Clark, accompanied only by a piano.

EPA prepares second overhaul of power plant rules

The Environmental Protection Agency is preparing a second overhaul to the way coal-fired power plants are regulated, a change to the Obama-era rule limiting mercury emissions that environmentalists have supported.