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Environmental
10.08.2009 | By George Lobsenz
In a major climate change rulemaking, the Environmental Protection Agency has issued final regulations that will require most large emitters of greenhouse gases in the U.S. to report their emissions beginning in 2010.... 10.08.2009 | By Chris Holly
Can wind turbines actually reduce the amount of fossil fuels consumed? A Wall Street Journal analysis concludes that ERCOT utilities will begin to feel the squeeze in their profits this year and to expect the amount of fossil fuels used to generate electricity to be reduced.... 08.03.2009 | By Dr. Robert Peltier, PE and Dick Storm
The New Source Review (NSR) permitting program was originally created as part of the 1977 Clean Air Act Amendments to ensure that new power generation facilities were properly outfitted with all the necessary air quality control systems when constructed. Plants in operation were exempt until they made plant modifications viewed as beyond “routine maintenance,” a term whose definition has been a moving target. Is it time for the NSR to take a back seat to improved plant efficiency and reduced carbon emissions?... 08.03.2009 | By Johnathan Rickman and Sonal Patel
The EPA has identified 44 "high hazard" coal ash ponds around the U.S., and a recent Tennessee Valley Authority report indicates that the agency should have known its Kingston Plant pond would have been one of them.... 08.03.2009 | By Chris Holly
An analysis by the Center on Budget and Policy Priorities concluded that two-thirds of the value of carbon emission allowances described by the recent H.R. 2545 will benefit utility business customers and households in the top quartile of personal income. The middle quintile will see increased cost for electricity.... 08.03.2009 | By Chris Holly
MIT researchers push for faster commercialization of carbon capture technologies for coal-fired power plants by reducing system costs.... 05.29.2009 | Johnathan Rickman
New coal-fired power plant ash management regulations appear to be inevitable, perhaps as soon as year-end. The Tennessee Valley Authority and Edison Electric Institute are on board with new regulations, as long as the ash is regulated as a nonhazardous waste under the Resource Conservation and Recovery Act.... 05.29.2009 | By George Lobsenz
The UK has all but doomed new coal-fired capacity by simultaneously setting binding carbon reduction goals and by requiring carbon capture and sequestration (CCS) of carbon emissions from new mid-size coal-fired power plants. Existing plants will also be required to retrofit their plants when CCS technology is demonstrated, now estimated to happen by 2020.... 05.29.2009 | By Chris Holly
FirstEnergy has announced plans to repower two coal-fired units at the R.E. Burger plant to burn biomass. Conversion of the two units, expected to be completed by 2012, gets the utility off the hot seat with the EPA for alleged Clean Air Act violations.... 05.29.2009 | By Daryl Lipscomb, Ron Landreth, Yinzhi Zhang, Emma Zhou, and Sid Nelson Jr.
Commonly, 20% of the cement (by weight) in a concrete mix is replaced by fly ash. Fly ash enhances the workability, durability, and ultimate strength of concrete at a lower cost than cement. However, mercury sorbents can change the ash properties to make it unsuitable as a concrete additive. New “concrete-friendly” sorbents can keep the revenues from ash sales flowing....
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