March 28, 2013 - The Environmental Protection Agency (EPA) updated emission limits for new power plants under the Mercury and Air Toxics Standards (MATS). The updates only apply to future power plants; do not change the types of state-of-the-art pollution controls that they are expected to install; and will not significantly change costs or public health benefits of the rule. 

• Final Rule (PDF) (22 pp, 420 K) - Federal Register - April 24, 2013

• Fact Sheet: Updates of the Limits For New Power Plants Under the Mercury And Air Toxics Standards (MATS) (PDF)(2 pp, 72 K, March 2013)