The number of solar rooftop systems on homes is set to more than double to some 100 million by 2024.

'The climate warriors are not doing that well with voters, so they've gone to court.'

Former Exxon Mobil CEO Rex Tillerson, who left the post for a stint as President Trump's secretary of state, is expected to testify.

Contura, which owned the mines before selling them to Blackjewel in 2017, participated in the deal as the mines' permit holder.

Seattle's newest tax will go after home owners who use oil heat.

Brouillette has been serving as deputy energy secretary under Perry – and has a background in business.

The president praised Perry, who he said will be leaving the post at the end of the year to “pursue other interests.”

Global markets largely brushed off more disconcerting economic signals from China, which on Friday reported that its economy grew at its slowest pace in 26 years last quarter.

Texas makes America great.

'We’re driving down the cost of electricity in most places in America,' said Energy Secretary Rick Perry.

The project is privately funded and will not make use of any public subsidies.

Marathon reported that the Martinez, California, refinery began flaring after the temblor.