ItÂ’s lights out for old incandescents

By Knoxville News Sentinel


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Make your peace and say your goodbyes. The lights are getting ready to go out on the old-fashioned incandescent bulb.

In less than a year, federal regulations will begin phasing out the century-old technology, a process that's already begun in California, which received a waiver to launch the program one year early.

Manufacturers will no longer make the traditional 100-watt bulb, and stores eventually will sell out of current supplies. Consumers will have to choose from more efficient bulbs that use no more than 72 watts, including halogen incandescents, compact fluorescents and light-emitting diodes, or LEDs.

"These standards will help cut our nation's electric bill by over $10 billion a year and will save the equivalent electricity as 30 large power plants," said Noah Horowitz, a senior scientist with the Natural Resources Defense Council. "That translates into a whole lot less global warming pollution being emitted."

The change is part of the federal Energy Independence and Security Act that President George W. Bush signed into law in 2007 to reduce energy use and greenhouse gas emissions. The act requires new bulbs to use 25 to 30 percent less energy beginning in 2012 — starting with the 100-watt bulb. By 2014, other incandescent bulbs, including the 75-, 60- and 40-watt, also will be phased out across the country.

Some specialty bulbs, however, will continue to be available. Consumers still will be able to get smaller lights such as yellow bug lights and aquarium bulbs.

Light bulb manufacturers said they haven't received any reports of customers hoarding 100-watt bulbs yet, though that may change once supplies begin to dry up and word gets out.

Whether the local market is ready for the change remains to be seen.

When the Energy Independence and Security Act was passed, the economy was good and customers were quickly adopting compact fluorescent bulbs, or CFLs, that are more energy efficient. Those bulbs were, and remain, considerably more expensive than Thomas Edison's filament bulb, which can be bought for less than $1 apiece. And in 2009, two years after CFLs hit their peak, the Department of Energy reported sales had dropped by 25 percent, with just one in four bulbs purchased being a CFL.

When it comes to market penetration, California, New York City, Wisconsin and several other states are seeing the highest levels — with California the clear winner at about 28 percent, according to data produced by Energy Star, DOE's energy-efficiency agency. Tennessee, however, is not even on the graph.

Supporters of the technology say the newer energy-efficient bulbs last so much longer that there is a financial savings in the end. For example, while incandescents provide as much as 2,000 hours of light, compact fluorescents can provide light for six times longer. Incandescents, which create light by passing an electric current through a tiny tungsten wire filament, also waste 90 percent of the electricity they use as heat instead of light. Fluorescents, by comparison, apply an electrical current to different types of phosphers to produce light and produce less heat.

The United States isn't plowing new ground with the legislation. Australia was the first to begin phasing out incandescents beginning in 2009, followed by the European Union, the Philippines and Argentina, said Michael Petras, president of GE Lighting. Mexico and Brazil are expected to follow the United States.

Bulb manufacturers here have been retooling their processes to make room for CFLs, but customers haven't yet jumped on the bandwagon, said Ben Taube, executive director of the Southeastern Energy Efficiency Alliance in Atlanta.

"On the production side, manufacturers have been prepared and are ready for the lighting transformation," he said. "On the consumer side, I think it's one of those areas where it's been an ease into education. People react to changes in markets in both positive and negative ways. You get used to the bulb that you like, and that's what you want to have."

Nick Reynoza, manager at Royal Lighting, a Los Angeles designer lighting retailer, said it's a shame the transition comes at a time when alternatives are so much more expensive.

"It's not really an option — you have this or you don't get anything," he said. "The options are more expensive. Four incandescents are $1, the halogens are $5.99 and the LEDs are like $20."

But for the rest of the country, price shouldn't be an issue by the time the deadline rolls around, Taube said.

"The price will drive itself down to be comparable with what we've experienced in the past with traditional incandescent bulbs," he said. "I think we're going to hit price points that are not shocking at all."

Still, although organizations like the Southeastern Alliance for Clean Energy and other conservation groups back the change and the lighting industry has invested heavily in new technology, not everyone supports the law. Rep. Joe Barton, R-Texas, for example, reintroduced legislation this year to repeal the law.

"People don't want Congress dictating what light fixtures they can use," Barton said on his website. "Traditional incandescent bulbs are cheap and reliable."

Adam Gottlieb, spokesman for the California Energy Commission, acknowledged that the change has resulted in a "great deal of hue and cry" on blogs as well.

Recent postings have included the titles "More dim bulbs: California banning 100-watt incandescent light bulbs" and "More evidence that California is nuts."

Gottlieb, however, said it was not a ban and that consumers can still buy whatever bulbs they want as long as they meet the new standards.

"After 130 years Tom Edison's old-fashioned light bulb is getting a 20th century makeover," he said. "The simple truth is consumers will save money."

But fans of the traditional bulb say they provide a softer, more natural light and turn on more quickly. In addition, the difference in CFL technology can create some problems, like cause them to burn less brightly and shorter than advertised, depending on the location, according to the Lighting Research Center, which studies lighting from its home at Rensselaer Polytechnic Institute in New York. The organization advises buying CFLs with the Energy Star label and keeping receipts for CFL purchases.

GE Lighting's Petras said the industry is aware of the shortcomings and is working to refine the technology.

"We've got compact fluorescents that look like incandescents," he said from the company's headquarters in Cleveland, Ohio. "We have a product coming out this spring that's a hybrid of compact fluorescent and halogen that will provide energy savings and a better startup time."

At Stokes Electric and Lighting, a Knoxville company with locations in Pigeon Forge and Crossville, Tenn., preparations already are under way for the switch.

Bob Stokes, a branch manager for the company, said the process to alert consumers to the changeover has begun. The company, which has an electrical supply store on McCalla Avenue and a retail lighting center on Papermill Drive, is holding workshops on the new bulbs and regulations.

"I think it's going to be huge," Stokes said. "We're still selling both products and we're trying to educate the public."

Stokes said the changes will affect all lighting, whether for a small utility room or a large stadium. Although newer, energy-efficient bulbs are more expensive than their traditional incandescent counterpart, Stokes believes they will come down in price as the technology improves and they go mainstream.

And while pricey, Stokes said consumers will notice a savings difference in their energy bills.

Stokes Electric and Lighting sales vice president Mike Lakin said he believes CFLs are simply a stepping stone to more efficient, better quality lighting in LEDs.

Government and business already is investing in LEDs, Lakin said, and "the consumer side of it is coming more and more.... It's more of a cleaner light, it's closer to the incandescent."

Meanwhile, utilities are starting the process of educating customers about the biggest light bulb change-out in this nation's history.

"We are in the process of learning about this federal legislation and how it will impact our customers," said Grace McNeilly, KUB spokeswoman. "But we always encourage our customers to purchase products that use less energy."

Except for Californians, said Taube, most people probably don't even know the change is coming — but when it does he doesn't envision any sort of revolution at the local Walmart or home supply store.

"They'll just realize they're not there anymore, and they'll move on," Taube said.

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Alberta Coal-to-Gas Transition will retire coal units, convert plants to natural gas, boost renewables, and affect electricity prices, with policy tools like a price cap and carbon tax shaping the power market.

 

Key Points

Shift retiring coal units and converting to natural gas and renewables, targeting coal elimination by 2030.

✅ TransAlta retires Sundance coal unit; more units convert to gas.

✅ Forward prices seen near $40 to low $50/MWh in 2018.

✅ 6.8-cent cap shields consumers; carbon tax backstops costs.

 

The turn of the calendar to 2018 saw TransAlta retire one of its coal power generating units at its Sundance plant west of Edmonton and mothball another as it begins the transition to cleaner sources of energy across Alberta.

The company will say goodbye to three more units over the next year and a half to prepare them for conversion to natural gas.

This is part of a fundamental shift in Alberta, which will see coal power retired ahead of schedule by 2030, replaced by a mix of natural gas and renewable sources.

“We’re going to see that transition continue right up from now until 2030, and likely beyond 2030 as wind generation starts to outpace coal and new technologies become available.”

Coal has long been the backbone of Alberta’s grid, currently providing nearly 40 per cent of the provinces power. Analysts believe removing it will come with a cost to consumers, according to a report on coal phase-out costs published recently.

“The open question over the next couple of years is whether they’re going to inch up gradually, or whether they’re going to inch up like they did in 2012 and 2013, by having periods of very high power prices.”

Albertans are currently paying historically low power prices, with generation costs last year averaging below $23/MWh, less than half of the average of the past 10 years.

A report released in mid-December by electricity consultant firm EDC Associates showed forward prices moving from the $40/MWh in the first three months of 2018, to the low $50/MWh range.

“The forwards tend to take several weeks to fully react to announcements, so its anticipated that prices will continue to gradually track upwards over the coming weeks,” the report reads.

The NDP government has taken steps to protect consumers against price surges. Last spring, a price cap of 6.8 cents/MWh was put in place until the spring of 2021, with any cost above that to be covered by carbon tax revenue.

 

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Biggest in Canada: Bruce Power doubles PPE donation

Bruce Power PPE Donation supports Canada COVID-19 response, supplying 1.2 million masks, gloves, and gowns to Ontario hospitals, long-term care, and first responders, plus face shields, hand sanitizer, and funding for testing and food banks.

 

Key Points

Bruce Power PPE Donation is a broad COVID-19 aid delivering PPE, supplies, and funding across Ontario.

✅ 1.2 million masks, gloves, gowns to Ontario care providers

✅ 3-D printed face shields and 50,000 bottles of sanitizer

✅ Funding testing research and supporting regional food banks

 

The world’s largest nuclear plant, which recently marked an operating record during sustained operations, just made Canada’s largest donation of personal protective equipment (PPE).

Bruce Power is doubling its initial donation of 600,000 masks, gloves and gowns for front-line health workers, to 1.2 million pieces of PPE.

The company, which operates the Bruce Nuclear station near Kincardine, Ont., where a major reactor refurbishment is underway, plans to have the equipment in the hands of hospitals, long-term care homes and first responders by the end of April.

It’s not the only thing Bruce Power is doing to help out Ontario during the COVID-19 pandemic:

 Bruce Power has donated $300,000 to 37 food banks in Midwestern Ontario, highlighting the broader economic benefits of Canadian nuclear projects for communities.

  •  They’re also working with NPX in Kincardine to make face shields with 3-D printers, leveraging local manufacturing contracts to accelerate production.
  •  They’re teaming up with the Power Worker’s Union to fund testing research in Toronto.
  •  They’re working with Three Sheets Brewing and Junction 56 Distillery to distribute 50,000 bottles of hand sanitizer to those that need it.

And that’s all on top of what they’ve been doing for years, producing Cobalt-60, a medical isotope to sterilize medical equipment, and, after a recent output upgrade at the site, producing about 30 per cent of Ontario’s electricity as the province advances the Pickering B refurbishment to bolster grid reliability.

Bruce Power has over 4,000 employees working out of their nuclear plant, on the shores of Lake Huron, as it explores the proposed Bruce C project for potential future capacity.

 

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Ontario Supports Plan to Safely Continue Operating the Pickering Nuclear Generating Station

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A plan to assess and renew Pickering's B units, extending safe, clean, low-cost power in Ontario for up to 30 years.

✅ Extends zero-emissions baseload by up to 30 years

✅ Requires CNSC approval and rigorous safety oversight

✅ Supports Ontario jobs and Cobalt-60 isotope production

 

The Ontario government is supporting Ontario Power Generation’s (OPG) continued safe operation of the Pickering Nuclear Generating Station. At the Ontario government’s request, as a formal extension request deadline approaches, OPG reviewed their operational plans and concluded that the facility could continue to safely generate electricity.

“Keeping Pickering safely operating will provide clean, low-cost, and reliable electricity to support the incredible economic growth and new jobs we’re seeing, while building a healthier Ontario for everyone,” said Todd Smith, Minister of Energy. “Nuclear power has been the safe and reliable backbone of Ontario’s electricity system since the 1970s and our government is working to secure that legacy for the future. Our leadership on Small Modular Reactors and consideration of a refurbishment of Pickering Nuclear Generating Station are critical steps on that path.”

Maintaining operations of Pickering Nuclear Generation Station will also protect good-paying jobs for thousands of workers in the region and across the province. OPG, which reported 2016 financial results that provide context for its operations, employs approximately 4,500 staff to support ongoing operation at its Pickering Nuclear Generating Station. In total, there are about 7,500 jobs across Ontario related to the Pickering Nuclear Generating Station.

Further operation of Pickering Nuclear Generating Station beyond September 2026 would require a complete refurbishment. The last feasibility study was conducted between 2006 and 2009. With significant economic growth and increasing electrification of industry and transportation, and a growing electricity supply gap across the province, Ontario has asked OPG to update its feasibility assessment for refurbishing Pickering “B” units at the Nuclear Generating Station, based on the latest information, as a prudent due diligence measure to support future electricity planning decisions. Refurbishment of Pickering Nuclear Generating Station could result in an additional 30 years of reliable, clean and zero-emissions electricity from the facility.

“Pickering Nuclear Generating Station has never been stronger in terms of both safety and performance,” said Ken Hartwick, OPG President and CEO. “Due to ongoing investments and the efforts of highly skilled and dedicated employees, Pickering can continue to safely and reliably produce the clean electricity Ontarians need.”

Keeping Pickering Nuclear Generating Station operational would ensure Ontario has reliable, clean, and low-cost energy, even as planning for clean energy when Pickering closes continues across the system, while reducing CO2 emissions by 2.1 megatonnes in 2026. This represents an approximate 20 per cent reduction in projected emissions from the electricity sector in that year, which is the equivalent of taking up to 643,000 cars off the road annually. It would also increase North America’s supply of Cobalt-60, a medical isotope used in cancer treatments and medical equipment sterilization, by about 10 to 20 per cent.

OPG requires approval from the Canadian Nuclear Safety Commission (CNSC) for its revised schedule. The CNSC, which employs a rigorous and transparent decision-making process, will make the final decision regarding Pickering’s safe operating life, even though the station was slated to close as planned earlier. OPG will continue to ensure the safety of the Pickering facility through rigorous monitoring, inspections, and testing.

 

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Texas lawmakers propose electricity market bailout after winter storm

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Key Points

State plan to securitize storm debts via ERCOT fees, adding bill charges to stabilize Texas power firms.

✅ Securitization bonds finance unpaid ancillary services and energy costs

✅ ERCOT fee spreads Winter Storm Uri debts across ratepayers statewide

✅ Aims to prevent bankruptcies, preserve grid reliability, reassure investors

 

An approximately $2.5 billion plan to bail out Texas’ distressed electricity market from the financial crisis caused by Winter Storm Uri in February has been approved by the Texas House.

The legislation would impose a fee — likely for the next decade or longer — on electricity companies, which would then get passed on to residential and business customers in their power bills, even as some utilities waived certain fees earlier in the crisis.

House lawmakers sent House Bill 4492 to the Senate on Thursday after a 129-15 vote. A similar bill is advancing in the Senate.

Some of the state’s electricity providers and generators are financially underwater in the aftermath of the February power outages, which left millions without power and killed more than 100 people. Electricity companies had to buy whatever power was available at the maximum rate allowed by Texas regulations — $9,000 per megawatt hour — during the week of the storm (the average price for power in 2020 was $22 per megawatt hour). Natural gas fuel prices also spiked more than 700% during the storm.

Several companies are nearing default on their bills to the Electric Reliability Council of Texas, which manages the Texas power grid that covers most of the state and facilitates financial transactions in it.

Rural electric cooperatives were especially hard hit; Brazos Electric Power Cooperative, which supplies electricity to 1.5 million customers, filed for bankruptcy citing a $1.8 billion debt to ERCOT.

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“This is a financial crisis, and it’s a big one,” James Schaefer, a senior managing director at Guggenheim Partners, an investment bank, told lawmakers at a House State Affairs Committee hearing in early April. He warned that more bankruptcies would cause higher costs to customers and hurt the state’s image in the eyes of investors.

“You’ve got to free the system,” Schaefer said. “It’s horrible that a bunch of folks have to pay, but it’s a system-wide failure. If you let a bunch of folks crash, it’s not a good look for your state.”

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ERCOT’s independent market monitor recommended in March that energy sold during that period be repriced at a lower rate, which would have allowed ERCOT to claw back about $4.2 billion in payments to power generators, but the Public Utility Commission declined to do so, even as a court ruling on plant obligations in emergencies drew scrutiny among market participants.

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Becky Klein, an energy consultant in Austin and former chair of the Public Utility Commission who played a key role in de-regulating Texas’ electricity market two decades ago, said during a retail electricity panel hosted by Integrate that legislation is necessary to provide “some kind of backstop during a crazy market crisis like this to show the financial market that we’re willing to provide some relief.”

Still, some lawmakers are concerned with how they will win public support, including potential voter-approved funding measures, for bills to bail out the state’s electricity market.

“I have to go back to Laredo and say, ‘I know you didn’t have electricity for several days, but now I’m going to make you pay a little more for the next 20 years,’” state Rep. Richard Peña Raymond, D-Laredo, said during an early April discussion on the plan in the House State Affairs Committee. He said he voted for the bill because it’s in the best interest of the state.

Paddie, during the same committee hearing, acknowledged that “none of us want to increase fees or taxes.” However, he said, “We have to deal with the reality set before us.”

 

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Polycrystalline Tin Selenide Thermoelectrics enable waste heat recovery with ZT 3.1, matching single crystals while cutting costs, powering greener car engines, industrial furnaces, and thermoelectric generators via p-type and emerging n-type designs.

 

Key Points

Low-cost tin selenide devices that turn waste heat into power, achieving ZT 3.1 and enabling p-type and n-type modules.

✅ Oxygen removal prevents heat-leaking tin oxide grain skins.

✅ Polycrystalline ingots match single-crystal ZT 3.1 at lower cost.

✅ N-type tin selenide in development to pair with p-type.

 

So-called thermoelectric generators turn waste heat into electricity without producing greenhouse gas emissions, providing what seems like a free lunch. But despite helping power the Mars rovers, the high cost of these devices has prevented their widespread use. Now, researchers have found a way to make cheap thermoelectrics that work just as well as the pricey kind. The work could pave the way for a new generation of greener car engines, industrial furnaces, and other energy-generating devices.

“This looks like a very smart way to realize high performance,” says Li-Dong Zhao, a materials scientist at Beihang University who was not involved with the work. He notes there are still a few more steps to take before these materials can become high-performing thermoelectric generators. However, he says, “I think this will be used in the not too far future.”

Thermoelectrics are semiconductor devices placed on a hot surface, like a gas-powered car engine or on heat-generating electronics using thin-film converters to capture waste heat. That gives them a hot side and a cool side, away from the hot surface. They work by using the heat to push electrical charges from one to the other, a process of turning thermal energy into electricity that depends on the temperature gradient. If a device allows the hot side to warm up the cool side, the electricity stops flowing. A device’s success at preventing this, as well as its ability to conduct electrons, feeds into a score known as the figure of merit, or ZT.

 Over the past 2 decades, researchers have produced thermoelectric materials with increasing ZTs, while related advances such as nighttime solar cells have broadened thermal-to-electric concepts. The record came in 2014 when Mercouri Kanatzidis, a materials scientist at Northwestern University, and his colleagues came up with a single crystal of tin selenide with a ZT of 3.1. Yet the material was difficult to make and too fragile to work with. “For practical applications, it’s a non-starter,” Kanatzidis says.

So, his team decided to make its thermoelectrics from readily available tin and selenium powders, an approach that, once processed, makes grains of polycrystalline tin selenide instead of the single crystals. The polycrystalline grains are cheap and can be heated and compressed into ingots that are 3 to 5 centimeters long, which can be made into devices. The polycrystalline ingots are also more robust, and Kanatzidis expected the boundaries between the individual grains to slow the passage of heat. But when his team tested the polycrystalline materials, the thermal conductivity shot up, dropping their ZT scores as low as 1.2.

In 2016, the Northwestern team discovered the source of the problem: an ultrathin skin of tin oxide was forming around individual grains of polycrystalline tin selenide before they were pressed into ingots. And that skin acted as an express lane for the heat to travel from grain to grain through the material. So, in their current study, Kanatzidis and his colleagues came up with a way to use heat to drive any oxygen away from the powdery precursors, leaving pristine polycrystalline tin selenide, whereas other devices can generate electricity from thin air using ambient moisture.

The result, which they report today in Nature Materials, was not only a thermal conductivity below that of single-crystal tin selenide but also a ZT of 3.1, a development that echoes nighttime renewable devices showing electricity from cold conditions. “This opens the door for new devices to be built from polycrystalline tin selenide pellets and their applications to be explored,” Kanatzidis says.

Getting through that door will still take some time. The polycrystalline tin selenide the team makes is spiked with sodium atoms, creating what is known as a “p-type” material that conducts positive charges. To make working devices, researchers also need an “n-type” version to conduct negative charges.

Zhao’s team recently reported making an n-type single-crystal tin selenide by spiking it with bromine atoms. And Kanatzidis says his team is now working on making an n-type polycrystalline version. Once n-type and p-type tin selenide devices are paired, researchers should have a clear path to making a new generation of ultra-efficient thermoelectric generators. Those could be installed everywhere from automobile exhaust pipes to water heaters and industrial furnaces to scavenge energy from some of the 65% of fossil fuel energy that winds up as waste heat. 

 

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Key Points

A surge in European power prices from heatwaves, nuclear curbs, Rhine coal limits, and reduced Russian gas supply.

✅ Record year-ahead prices in Germany and France

✅ Nuclear output curbed by warm river cooling limits

✅ Rhine low water disrupts coal logistics and generation

 

Benchmark power prices in Europe hit fresh records Friday as utilities are increasingly reducing electricity output in western Europe because of the hot weather. 

Next-year contracts in Germany and France, Europe’s biggest economies rose to new highs after Switzerland’s Axpo Holding AG announced curbs at one of its nuclear plants. Electricite de France SA is also reducing nuclear output because of high river temperatures and cooling water restrictions, while Uniper SE in Germany is struggling to get enough coal up the river Rhine. 

Europe is suffering its worst energy crunch in decades, and losing nuclear power is compounding the strain as gas cuts made by Russia in retaliation for sanctions drive a surge in prices. The extreme heat led to the driest July on record in France and is underscoring the impact that a warming climate is having on vital infrastructure.

Water levels on Germany’s Rhine have fallen so low that the river may effectively close soon, impacting supplies of coal to the plants next to it. The Rhone and Garonne in France and the Aare in Switzerland are all too warm to be used to cool nuclear plants effectively, forcing operators to limit energy output under environmental constraints. 

Northwest European weather forecast for the next two weeks:
relates to European Power Hits Records as Plants Start to Buckle in Heat
  
The German year-ahead contract gained as much as 2% to 413 euros a megawatt-hour on the European Energy Exchange AG. The French equivalent rose 1.9% to a record 535 euros. Long-term prices are coming under pressure because producing less power from nuclear and coal will increase the demand for natural gas, which is badly needed to fill storage sites ahead of the winter.  


France to Curb Nuclear Output as Europe’s Energy Crisis Worsens
Uniper SE said on Thursday that two of its coal-fired stations along the Rhine may need to curb output during the next few weeks as transporting coal along the Rhine becomes impossible. 

Plants on the river near Mannheim and Karlsruhe, operated by Grosskraftwerk Mannheim AG and EnBW AG, have previously struggled to source coal because of the shallow water, even as German renewables deliver more electricity than coal and nuclear at times. Both companies said generation hasn’t been affected yet. 

“The low tide is not currently affecting our generation of energy because our plants do not have the need for continuous fresh water,” a Steag GmbH spokesman said on Friday. “But the low tide level can make running plants and transporting coal more complicated than usual.”

The spokesman said though that there is slight reduction in output of about 10 to 15 megawatts, which would equate to a few percent, because of the hot temperatures. “This has been happening over some time now and is a problem for everyone because the plant system is not designed to withstand such hot temperatures,” he said.

 

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