单词 | HCFC |
例句 | A hydrochlorofluorocarbon, or HCFC, a less harmful replacement of CFCs, is another gas affecting the atmosphere. Study: New Man-Made Gases Eating Into Ozone Layer 2014-03-09T19:44:11Z The Environmental Protection Agency has tried to reduce use of this gas, HCFC-22, which depletes the ozone layer and contributes to global warming, by imposing strict quotas on its production. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z But while oil is getting harder to find and more expensive, HCFC-22 is becoming more abundant and remaining cheap on the global market. Smugglers Sell Coolant Tied to Global Warming 2012-09-08T02:34:04Z With inexpensive HCFC-22 from Asia flooding the market, efforts to curb or eliminate its use have been undercut, even in the United States. Chilling Effect: In Rising Use of Air-Conditioning, Hard Choices 2012-06-21T01:02:06Z And, as Mr. Spector discovered, many of the environmental crimes and misdeeds that keep the country dependent on HCFC-22 happen on your property, most likely without your knowledge. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z Although large companies, which are required to report use of the gas, have been fined for large leaks, the E.P.A. has never prosecuted a residential service company for intentionally releasing HCFC-22. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z HCFC-22 is being phased out of air conditioners worldwide under an international treaty called the Montreal Protocol, and the United States has aggressively pressed poor countries to pick up the pace. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z International efforts to curb the use of HCFC-22 are faltering for dozens of reasons, from loopholes in environmental treaties to the reluctance of manufacturers to step up development of more environmentally friendly machines. Smugglers Sell Coolant Tied to Global Warming 2012-09-08T02:34:04Z For example, although American law now forbids the sale of new air-conditioners containing HCFC, stores have started selling empty components that can be filled with the cheap gas after installation, enabling its continued use. Chilling Effect: In Rising Use of Air-Conditioning, Hard Choices 2012-06-21T01:02:06Z Under the Montreal Protocol, the United States has until 2015 to cut production and imports of newly made HCFC-22 to 10 percent of what it was a decade ago. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z In the European Union, only recycled or reclaimed HCFC-22 can be legally used to service equipment. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z And, with 140 million central air units still running on HCFC-22 in this country, it is a major offender. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z During the past year, an estimated 20 percent to 30 percent of all sales in the United States to replace failed units have been for HCFC-22 condensers. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z Even in the United States, HCFC-22 is still profitably manufactured for use in older appliances, export and a few other industrial purposes that do not create significant emissions, like making Teflon. Chilling Effect: In Rising Use of Air-Conditioning, Hard Choices 2012-06-21T01:02:06Z Then, after installation, a worker could simply add new HCFC-22, complying with the letter if not the spirit of the law. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z A replacement compressor for an old HCFC-22 system costs about $1,200 to $1,500, while a new system using a more environmentally friendly gas costs at least three times as much. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z Regulatory loopholes allow manufacturers to sell parts that rely on HCFC-22, so systems using the old gas can be refurbished rather than replaced. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z Many countries, including India, are trying to satisfy their 2013 mandate with one-time fixes that do not involve the cooling sector — for example, replacing HCFC-22 with another gas in making foam. Chilling Effect: In Rising Use of Air-Conditioning, Hard Choices 2012-06-21T01:02:06Z |
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