Mead Gruver

Associated Press

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No Large Drone Groups Confirmed at Night in Colo.

There have been reports of large drones flying in groups over the western U.S. plains in the hours after sunset.

This Sept. 6, 2019, file photo, shows the Eagle Butte mine just north of Gillette, Wyo. Two of the biggest U.S. coal mines have been sold, raising the possibility that miners in Wyoming could return to work after almost four months off the job. Tennessee-based Contura Energy announced Monday, Oct. 21, 2019, that Blackjewel closed Friday on the sale of the Eagle Butte and Belle Ayr mines to a subsidiary of Alabama-based FM Coal.

Blackjewel Sale a 'Best-Case'

It's raising the possibility that hundreds of miners in Wyoming could return to work in almost four months.

In this Thursday, Sept. 5, 2019 photo shows warehouse technician Melissa Worden, left, and heavy equipment operator Rory Wallet, in downtown Gillette, Wyo. The shutdown of Blackjewel LLC's Belle Ayr and Eagle Butte mines in Wyoming since July 1, 2019, has added yet more uncertainty to the Powder River Basin's struggling coal economy. Both Worden and Wallet wonder if they will get their old jobs back.

Idle Mines Portend Dark Days for Coal

Three of the Powder River Basin's nine producers have filed for bankruptcy since March.

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Tech Can Help Coal Industry

Carbon-capture technology could eventually follow a path to success like wind power.

This file photo shows a wind turbine farm owned by PacifiCorp near Glenrock, Wyoming.

Wind Farm Makes Same Power with Fewer Turbines

Larger and more efficient equipment will allow for downsizing from 68 to 13 turbines, which is bad news for the state's coal industry.

Debate Over Taco Tuesday Trademark

"Great ideas can come from the most unexpected places, and when they do, we should protect it."

In this April 29, 2010 file photo, a pair of coal trains idle on the tracks near Dry Fork Station, a coal-fired power plant being built by the Basin Electric Power Cooperative near Gillette, Wyo. Ten teams competing to make money from carbon dioxide pollution will share $5 million in prize money and advance to the final round of an international competition. Five of the finalists will compete to make use of actual flue gases from this Wyoming plant. The other five will compete at a gas-fired power plant in Alberta, Canada.

International Carbon Dioxide Competition

Finalists use CO2 to turn a profit making everything from concrete to methanol.

In this March 28, 2017 file photo, a dump truck hauls coal at Contura Energy's Eagle Butte Mine near Gillette, Wyo. A judge has ruled U.S. government officials engaged in regional-level planning must consider allowing less coal to be mined as a way to fight climate change. Friday, March 23, 2018 ruling by U.S. District Judge Brian Morris in Great Falls, Montana, applies to the country’s top coal-producing region, the Powder River Basin of Wyoming and Montana.

Judge: Less Coal Mining Must Be Considered

He said planning officials must consider reducing coal mining as a way to fight climate change.

Oil & Gas Drilling Rules Rescinded

Companies will no longer have to disclose the chemicals used in fracking.

Company Avoids Fines After Radioactive Spills

Company officials had asked the Nuclear Regulatory Commission not to fine them, saying the spills didn't endanger anybody.

This Oct. 26, 2016 photo provided by the University Corporation for Atmospheric Research shows the new supercomputer named Cheyenne at the National Center for Atmospheric Research at the supercomputing center in Cheyenne, Wyo. Wyoming officials including Gov. Matt Mead say they support the NCAR-Wyoming Supercomputing Center even as they describe themselves as climate skeptics. Scientists nationwide are nonetheless concerned that President Donald Trump, who has called climate change a hoax, might not take climate change research seriously.

Supercomputer Aids Climate Research

The new supercomputer is 240,000 times faster than a high-end laptop.

In this Thursday, April 29, 2010 file photo, a pair of coal trains idle on the tracks near Dry Fork Station, a coal-fired power plant being built by the Basin Electric Power Cooperative near Gillette, Wyo. Teams from Canada, China, Finland, India, Scotland, Switzerland and the U.S. have submitted 47 proposals for the first round of a $20 million contest to put power-plant emissions to profitable use, NRG COSIA Carbon XPRIZE officials announced Wednesday, July 27, 2016.

Cooking Oil, Graphene Among CO2 Capture Prize Ideas

The goal of the competition is to demonstrate the most profitable way to make products from carbon dioxide to defray the cost of keeping the gas out of the atmosphere.