US oil companies are in much better shape than the cartel seems to think.

Germany’s green energy surcharge is expected to rise by 8 percent next year.

Turkey gets discount gas, but Russia gets to turn the screws on Ukraine while securing its hold on the European market—for now.

Intermittent renewables are wreaking havoc on German electricity prices.

It’s a big geopolitical gamble, with huge potential upsides for the Kremlin.

As the House of Saud cuts spending, the country’s middle class is hurting.

Natural gas complements wind and solar power in important ways.

All is not well in the Golden State’s fledgling carbon market.

The collapse in crude prices cut OPEC’s oil export revenues nearly 50 percent in 2015.

A number of Turkish geothermal plants sit atop geology that make them no cleaner than coal-fired power plants.