Some old plants use 19th-century processes that emit tons of mercury.
Some old plants use 19th-century processes that emit tons of mercury. Michael Bryant / Philadelphia Inquirer / MCT
Some old plants use 19th-century processes that emit tons of mercury. Michael Bryant / Philadelphia Inquirer / MCT

Economy

October 23, 2009 6:27 PM

EPA to limit mercury emissions from power plants by 2011

Suggested for you

  Comments  

Videos

Editor's Choice Videos