Coal production has fallen off a cliff in recent years.
The US has shed more than half its coal-fired power plants.
But that doesn’t mean coal isn’t a profitable business.
Coal is the world’s largest source of carbon dioxide.
The government is trying to cut emissions to reduce global warming.
But the problem with the US coal industry is that the industry has become dependent on cheap foreign oil.
And while cheap oil is becoming harder to come by, coal remains profitable.
That’s because it can be produced from coal and its use in power plants is more than offset by the cost of extracting it.
That makes it a natural source of cheap energy.
The American Coal Association reports that about 40 percent of US coal production is from coal.
That number has fallen from 65 percent in 2006.
In recent years, however, coal production has dropped off a steep cliff, according to an analysis by the Energy Information Administration.
That decline has been especially sharp in Wyoming, home to about 4 million people and the second largest state in the US behind Wyoming.
Wyoming has seen coal production drop by 30 percent since 2010, the most of any state, according, the report.
The state is home to some of the nation’s most active mines, including Mount Rushmore.
It’s also a big producer of the most carbon-intensive power plants in the country.
According to the EIA, in the last two years Wyoming produced about 40 million tons of carbon-dioxide equivalent.
In the last 30 years, Wyoming has lost more than 30 percent of its coal mining capacity.
That means more than 4 million tons is lost to the coal mining industry every year, according the EAA.
It would take an investment of about $15 billion to recover all the carbon dioxide that has been released.
As coal mines close, the demand for carbon dioxide in the economy has plummeted.
In 2016, the number of US households without a stove increased by more than a million people, according a study published by the Brookings Institution.
That represents a significant loss of income to families, and many of them are in the coal-dependent states of West Virginia and Ohio.
The Brookings study found that for the last year, average annual incomes in coal-mining counties have declined by more that $30,000.
The report also found that households in those coal-producing areas have seen their median household income drop by more then $5,000 per year since 2014.
The coal industry has been able to make money because the industry is able to take a small fraction of the carbon emitted from the industry.
The industry produces about one-quarter of all coal produced in the United States, according Toensing.
But because of the high costs of the coal, it’s a difficult business.
Toensing said the industry can lose $7 billion in a year.
It can’t even make up the difference in lost profits.
“The reality is, the coal companies are losing money,” Toensing told Al Jazeera.
“That’s why we’re going to continue to fight.”
The coal mining boom in Wyoming came at a time when other industries were also struggling.
Energy and mining were in decline, and coal was not a sustainable economic engine.
So the industry turned to natural gas.
But since then, it has been forced to find other sources of energy, as well.
It also faces competition from renewable sources of power, such as wind, solar, and biomass.
Some of those renewables have made it cheaper for the industry to use fossil fuels.
The EIA report found that coal and natural gas are the two largest sources of greenhouse gas emissions in the world.
Coal produced about 10 percent of the world coal use, and natural-gas use made up about 16 percent of global coal consumption.
But as more coal has been replaced by natural gas, that share has shrunk.
To the extent that the US continues to rely on coal, the energy industry is paying the price.
And the energy sector, particularly coal-based power plants, are also losing money.
To be clear, the EAAA report does not provide an economic model to show how the decline in coal production will affect the economy in the long run.
But it does suggest that the coal sector may not be able to survive for long without relying on cheap energy sources.