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As emissions rise, US coal steps up push for carbon capture

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Handout/Tom Dubanowich/Reuters/File

(Read caption) This undated handout image shows American Electric Power Company's carbon sequestration unit at its Mountaineer Plant near New Haven, W.V., in 2009. Since then, AEP has said it will not continue the project after it completes the engineering phase, because natural gas is a cheaper alternative than clean coal, at this point.

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US greenhouse-gas emissions are rising again after three years of declines, according to a new report, and the culprit is coal.

The carbon-rich fuel is making something of a comeback as prices rise for rival natural gas. The boost in emissions casts a harsh light on the coal industry’s large environmental footprint at a time when the industry is already reeling from federal pollution mandates. But it also throws in relief coal’s best hope for meeting those mandates: carbon capture – either with the potential to permanently store it underground or to use it to enhance oil recovery.

On Tuesday, Mitsubishi Heavy Industries and Southern Company Services announced they had successfully completed an initial demonstration phase of carbon capture at Southern’s coal-fired Plant Barry in Alabama, which was able to recover more than 90 percent of the carbon dioxide, send it through a 10-mile pipeline, and inject it underground.

 
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