Eos makes zinc-based batteries for industrial and other large-scale uses, including renewable energy projects.

East Palestine residents gathered to hear an update on research being conducted at various universities on the public health ...

As Pennsylvania lawmakers consider how to regulate power-hungry data centers, the industry warns of over-regulation.

The pitch includes 400 buildable acres and access to natural gas reserves, a lot of water and methane from coal mines.

Conservationists used fire to manage habitat in an County meadow. The practice goes back centuries to Indigenous peoples.

Tenaska opened a gas power plant in 2018, and it has only now obtained a draft air permit that environmental groups say is missing requirements.

Washington County acreage pitched as ‘carbon-neutral’ data center development ...

US Steel consultant found a sealed cavity inside the body of the valve filled with high-pressure flush water in excess of its pressure rating.

The Tenaska plant emitted around 2.8 million tons of carbon dioxide in 2024, making it one of the top emitters of greenhouse gases in the state.

Writer Andrew Moore discusses the Pittsburgh Botanic Garden's prescribed burn to curb the spread of a plant dubbed the “plague on the prairie.” ...