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Top 10 most read articles from 2014


We take a look back at the stories that you, the reader, read the most this year.

UMaine in business of certifying turbine blades


ORONO, Maine (AP) — The University of Maine has tested its largest wind turbine blade to date.

UMaine's Advanced Structures and Composites Center completed static strength testing this month of a 184-foot-long wind turbine blade built in North America for a Spanish company.

MATS Compliance: The Countdown to 2015


The U.S. Environmental Protection Agency's (EPA) Mercury and Air Toxic Standards (MATS) rule has been in place for new coal-fired electric generating units (EGUs) since 2012, but the regulation has yet to take effect for existing units.

Successful Coal Ash Pond Management


Under new rules from the EPA, coal-fired plants in the U.S. will be forced to close their coal-ash storage ponds. What are the best strategies and options for handling the closure of coal-ash storage ponds?

Additives Improve Mercury Removal, Reduce Corrosion


Mercury. Like the Roman god for which it is named, this toxic element can move swiftly once it has entered the environment, traveling up the food chain and negatively impacting plants, animals and humans alike.

Integrating Flue Gas Conditioning with More Effective Mercury Control


Activated carbon injection is one of the leading and most accepted technologies utilized for controlling and maintaining mercury emission levels required by the Mercury and Air Toxics Standards (MATS). This article examines the challenges to achieve full MATS compliance.

Video: McCrory proposes new coal ash plan after spill


North Carolina Gov. Pat McCrory Wednesday called for new regulation of coal ash ponds in the state following the failure of a pond at Duke Energy's Eden plant in February that sent millions of gallons of toxic ash as far as 70 miles down the Dan River.

Court upholds EPA emission standards


A federal appeals court on Tuesday upheld the Environmental Protection Agency's emission standards for hazardous air pollutants from coal- and oil-fired power plants.

NC sides with Duke in appeal of coal ash ruling


RALEIGH, N.C. (AP) — North Carolina regulators are joining with Duke Energy in appealing a judge's ruling on cleaning up groundwater pollution leeching from the company's coal ash dumps.

Video: Duke Energy CEO Lynn Good discusses coal ash plans


Duke Energy CEO Lynn Good is speaking out about the company's plans regarding its coal ash basins.

Operators of coal-fired power plants decide how to meet MATS 2015 deadline


Operators of coal-fired power plants throughout the U.S. are creating strategies to meet the Environmental Protection Agency's (EPA) Mercury and Air Toxics Standards (MATS) by the April 2015 deadline.

Missouri County sets coal ash hearing


Ameren Missouri will be in court next week for a three-day hearing over a planned coal ash landfill.

FERC okays waiver related to shutdown of six Virginia Electric coal units


The Federal Energy Regulatory Commission on March 26 granted a waiver to Virginia Electric and Power d/b/a Dominion Virginia Power related to the upcoming deactivation by the end of this year of coal-fired units at the Chesapeake and Yorktown power plants.

Citizens group wants North Carolina review of Duke gas-fired project


A citizens group, NC WARN, on March 10 asked the North Carolina Utilities Commission to open up a review of a Duke Energy (NYSE: DUK) plan for a gas-fired power plant in South Carolina, even though the group conceded that the North Carolina commission has no explicit power to do so.

Duke contemplates retiring additional coal-fired capacity in response to coal ash spill


Duke Energy is considering closing units at two coal-fired plants in response to the coal ash spill at Dan River in North Carolina, according to a report from the Charlotte Business Journal.

Industry witnesses throw cold water on EPA claims about CCS technology


Alstom official: EPA rule would freeze carbon capture technology development

Entergy says workers’ shoes set off radiation monitors at nuclear power plant


Entergy (NYSE: ETR) notified the state of Mississippi and the U.S. Nuclear Regulatory Commission about a leak or spill at the 1,478-MW Grand Gulf nuclear power plant.

More workers were exposed to radiation at WIPP


An additional four employees at the Waste Isolation Pilot Plant (WIPP) in New Mexico have tested positive for radiation exposure following a leak in underground storage on site.

Coal ash dams inspected at Duke’s Cliffside Steam Station


North Carolina Dam Safety Program regulators inspected the ash pond structure at Duke Energy’s Cliffside Steam Station.

President requests more than $1bn for EPA to address climate change


The Obama Administration proposed a fiscal year 2015 budget of $7.89 billion for the U.S. Environmental Protection Agency (EPA), including more than $1 billion to address climate change and carbon dioxide emissions from power plants.