Efficiency - Nov 28
by Staff
Click on the headline (link) for the full text. Many more articles are available through the Energy Bulletin homepage
Refrigerators sold in the United States have grown 5% more energy efficient every year since 1975. Today they save 200 billion kilowatt-hours of electricity a year compared to what they'd use if they were still built to 30-year-old standards, or about a third of the annual output of all the nation's nuclear plants. Upgraded fridges have lowered electricity bills for consumers and avoided millions of tons of carbon that would otherwise have been emitted by power plants. Heating and air-conditioning systems also have grown more efficient, and fluorescent lightbulbs are a big step ahead of power-hungry incandescents. Critics of government efforts to fend off global warming often complain that the economic costs aren't worth the gains -- better to adapt later to a warmer planet than suffer now by turning down the thermostat. This argument relies on a lot of dubious assumptions, starting with the notion that quality of life won't be significantly reduced in a world plagued by drought, wildfires, increased disease and famine, more powerful storms, mass species extinction and higher sea levels. It also assumes that the cost of cleaning up after all that will be less than the cost of preventing it from happening, which is quite a leap.
In a study released today, Mr. Rubin described an “efficiency paradox” in which technology improvements allow for better energy efficiency, but those savings are lost to greater consumption. Mr. Rubin noted that governments in the United States have passed tougher energy efficiency regulations in an effort to reduce dependence on foreign oil, or cut emissions of greenhouse gases that are linked to climate change. “The problem is that energy efficiency is not the final objective - reducing energy consumption must be the final objective to both the challenges of conventional oil depletion and to greenhouse has emissions,” he said. “Despite huge gains in energy efficiency, that is simply not happening. Instead, energy consumption is growing by ever increasing amounts.”
Efficiency paradox: Americans pour cost-savings into more and bigger energy-guzzlers "While seemingly perverse, improvements in energy efficiency result in more of the good being consumed - not less," says Jeff Rubin, the Chief Economist and Chief Strategist at CIBC World Markets. He finds an efficiency paradox where consumers have taken the cost-savings gained through greater efficiency and turned around and spent those savings on more and bigger energy-guzzling products. Mr. Rubin notes that with the depletion of conventional oil supply becoming more and more evident and concerns growing over greenhouse gas emissions, energy-efficiency regulations have been widely viewed as the answer. Efficiency gains play a prominent role in most government plans to manage energy consumption, including the latest U.S. Energy Act. But his work finds that these programs are compounding rather than solving the problem. "The problem is that energy efficiency is not the final objective -reducing energy consumption must be the final objective to both the challenges of conventional oil depletion and to greenhouse gas emissions," he adds. "Despite the huge gains in energy efficiency, that is simply not happening. Instead, energy consumption is growing by ever increasing amounts." While his points about efficiency are valid and important, it's important to note that efficiency does not make the problem worse. Efficiency just does not always have as great an effect as one would anticipate. For example, the UK just found that it had over-estimated energy savings because of the Rebound effect (UK energy savings 'miscalculated' at BBC). The extent of the rebound seems to be in the range of a few percent to perhaps 70%, depending on many factors. Not many studies seem to have been done on the subject. Note that this is a press release from CBI republished by CNN Money. It's not original reporting.
Beer fridges are additional fridges that are generally used to keep beer and other drinks cold on top of a household’s primary fridge for food. One in three Canadian households has a second fridge, many of which are ageing, energy-guzzling models, according to Denise Young, a researcher at the University of Alberta, Canada. Young suggests that getting rid of older models, in Canada at least, would have an impact on energy usage.
Researchers at an appliance lab that looks more like a utility room are fine-tuning washers, dryers, water heaters, refrigerators - even coffeemakers - to help ward off the type of colossal power failures that plunged much of the Northeast into darkness in 2003 and blacked out big chunks of the West in 1996. If you’re a bit skeptical as to whether subtle tweaks to your dryer or dishwasher might help keep the lights on, you’re not alone. But in two related experiments, scientists from Pacific Northwest National Laboratory in Richland, Wash., found that providing homeowners with smart appliances and information on how to save money cut their energy costs but also reduced overall power consumption during peak use periods, when the nation’s aging power grid is most susceptible to breakdowns.
A week after Premier Dalton McGuinty said he'd consider the issue, local environmentalists are eagerly awaiting a decision about whether Ontarians, no matter where they live, will be permitted to fly clotheslines in their backyards and hang their pants, shirts, towels and unmentionables outside. Peter Love, Ontario's chief conservation officer, recommended last week that the province designate these solar linear drying devices as energy-efficient, which would allow everyone to use them - if they so desire. Declaring them such would override any codes or regulations that may exist in housing developments or communities that prohibit residents from freeing their sheets. In recent years, clotheslines have shed the stigma of being associated with poverty, becoming instead a sign of eco-awareness. "I'm not sure what they're waiting for," says Phyllis Morris, clothesline activist and mayor of Aurora. "If we can't solve a simple thing like hanging two hooks in the backyard, what chance do we have of solving our bigger energy crisis?"
The rich have decided to opt out of global warming and its effects. That's for the little people, as the following from the Wall Street Journal illustrates: The American Southeast has been suffering from one of its worst droughts in years. But you wouldn't know it from looking at the emerald-green estates of Palm Beach. The paper has calculated that the average little person's use is 54,000 gallons per year. Hence Peltz uses 352 times as many gallons of water as the wee people do. But isn't that fair, considering that he makes at least 352 times as much money as the rest of us? |
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