Sentences with phrase «lower sulfur coal»

To meet this goal, plant owners can implement one of or a combination of three main strategies: use lower sulfur coal in their boilers, retire plants without emissions controls, or install emissions control equipment — primarily flue gas desulfurization (FGD) scrubbers.

In August 2011 Peabody announced that they had signed a six - year deal with Ameren to supply 91 million tons of low sulfur coal for use in «multiple electricity generating plants in Missouri» through to 2017.

If those in developed nations switched to nuclear power, then low cost, low sulfur coal and natural gas would still be available for the underdeveloped nations.

Since the seventies, utilities have been forced to install pollution controls or switch to low sulfur coal to reduce smog and acid rain.

They argued that much of the EPA program's apparent success in reducing SO2 emissions from power plants was due to simultaneous railroad deregulation which reduced the cost of delivering low sulfur coal strip - mined in the west.

With the Clean Air Act, power plants were required to scrub sulfur out or burn low sulfur coal.

Not exact matches

Wyoming, with rich reserves of low - sulfur coal near the surface, is the largest coal - producing - state and has the most coal still in the ground at producing mines.

It is much cheaper to mine coal in the Powder River Basin than in the Eastern U.S.. Also, the sulfur content of the coal from the Powder River Basin is much lower than Appalachian coal.

NRG now promises to invest $ 1.6 billion at the Tonawanda site by 2013 to install a new gasification plant that will burn low - sulfur coal and reduce harmful emissions.

Instead, with the imposition of a cap - and - trade program, O'Connor said, people looked at the sources of coal and realized they could obtain it from different parts of the country with lower sulfur, cutting emissions at less cost.

Today, coal plants use scrubbers to remove sulfur, or burn low - sulfur western coal.

«Living downwind of coal - fired power plant could increase risk of low birth weight: Study found that babies born during 1990 - 2006 to mothers living as far as 20 to 30 miles away from proven emitter of sulfur dioxide emissions had 6.5 percent greater risk of low birth weight and 17.12 percent greater risk of very low birth weight.»

Faced with a choice between installing expensive pollution - control equipment or switching to low - sulfur coal mined outside Illinois, power companies overwhelmingly chose the latter.

(Don't take that as good news, because it has correspondingly lower energy content so you burn more of it as compared to higher carbon coal like Anthracite; Powder River coal is mined largely because of its low sulfur content).

«The production of coal in the North Fork exemption will increase the supply of cheap, low - sulfur coal.

Natural gas is much more environmentally friendly than coal, which continues to be the mainstay of electricity production around the world and in the U.K. Gas emits less than half the CO2 per kilowatt hour produced, and it emits much lower amounts of other pollutants like nitrous oxide, sulfur dioxide, black carbon, carbon monoxide, mercury, and particulates.

But, with acid rain, feasible solutions were already available — namely, scrubbers and low - sulfur coal — that made it relatively straightforward to cap sulfur - dioxide emissions.

Drummond primarily produces low sulfur or compliance coal, meeting Phase II requirements of the 1990 Amendments to the Clean Air Act.»

fiber fuel burns cleaner that coal, emitting only 2 percent Sulfur and lower carbon dioxide... reduction of sulfur and nitrous oxide emissioSulfur and lower carbon dioxide... reduction of sulfur and nitrous oxide emissiosulfur and nitrous oxide emissions....

«To some degree, it looks like a lot of those reductions would have happened anyway, for simple reasons of economics,» including the declining price of low - sulfur coal, says legal scholar Lesley McAllister.

And the lower - than - expected cost of sulfur dioxide regulation mostly resulted from technological changes that occurred well before the establishment of pollution trading: rail deregulation allowed for the economic shipment of low - sulfur coal, and the development of cheaper scrubbers.

These included replacement of high - sulfur coal with low - sulfur coal, scrubbers, electrostatic precipitators, coal cleaning techniques, and development of higher efficiency combustion techniques that allowed more electricity to be generated per ton of emissions.

The company mines, processes, and markets bituminous and sub-bituminous coal with low sulfur content in the United States.

With a scrubber in place, a plant using high - sulfur coal can reduce its need to buy and surrender SO2 emissions permits by 90 % or more compared to a plant using the same fuel without a scrubber, making Illinois Basin coal much more competitive, especially against Central Appalachia which previously could rely on its low sulfur content as a competitive advantage.

Illinois Basin coal prices declined just 5 %, partially offset by a 9 % increase in production because of robust demand for the low - cost, high - sulfur coal from the region.

While coal with higher levels of heat content, coking characteristics, and lower sulfur levels is typically more valuable, other factors such as location and supply and demand play a significant role.

Nor did it result in any technology innovation: Cheap scrubbers and low - sulfur coal already existed.

In addition, domestic demand for coal from the Illinois Basin, particularly from Illinois itself, increased as a result of a shift in demand toward the Illinois Basin's low - cost, high - sulfur coal and away from Central Appalachia's high - cost, low - sulfur coal.

Because of the amount of sorbent needed, DSI will likely be implemented most often at plants that are 300 megawatts or less and burn low - sulfur coal.

The mix of rank and origin of coal consumed in the United States has changed substantially in the past two decades, reflecting shifts to Western low - sulfur subbituminous coal and lignite, predominantly for electricity generation.

Further changes are expected in the coming years, especially due to the Clean Air Act Amendments of 1990, which will encourage switches from high - sulfur Eastern bituminous coal to low - sulfur Western subbituminous coal.

Coal from the Powder River Basin of Montana and Wyoming tends to be low in sulfur, for example, allowing power plants to burn more without exceeding local pollution limits.

[t] he electricity supplied from these sources would reduce Hawai'i's fossil fuel consumption by approximately 2.8 million barrels of low sulfur fuel oil and 132,000 tons of coal each year.

Although Wyoming coal may have less sulfur, it also a lower «heat rate» or fewer Btu's of energy.

For example, according to the National Energy Technology Laboratory (NETL), a new pulverized - coal plant (operating at lower, «subcritical» temperatures and pressures) reduces the emission of NOx (nitrogen oxides) by 86 percent, SO2 (sulfur dioxide) by 98 percent, and particulate matter by 99.8 percent, as compared with a similar plant having no pollution controls.

Beyond the detriments of Powder River Basin coal was the signal fact that it was as much as five times lower in sulfur than Appalachian coal.

Reductions were accomplished primarily by a fuel switch to readily available, affordable, low - sulfur coal, along with some additional scrubbing.