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The VW chairman has admitted several mistakes that led to the emissions scandal.
Global warming caused by burning fossil fuels was first predicted more than a century ago.
Customers like Sara Sheey are looking for the company to make things right.
The system reduced American utilities' sulphur emissions by 70 percent.
In the end, PSEG could come out ahead.
The rules limiting carbon emissions will speed utilities' movement away from coal as a fuel.
The aim is to cut greenhouse gas emissions by nearly a third within 15 years.
A federal court in Washington hears a challenge to the EPA's Clean Power Plan.
It's the EPA vs. Industry in a battle of cost versus benefit.
The U.S. commitments for reducing carbon emissions are mostly already in place.
