by kublikhan » Fri 19 Jul 2013, 14:47:04
$this->bbcode_second_pass_quote('dorlomin', '')$this->bbcode_second_pass_quote('ralfy', 'T')he problem is that in global capitalist systems savings are re-capitalized, which means they will be spent elsewhere, leading to more resource and energy consumption.
Have you any evidence for this assertion? Its seems nothing more than dogma.
There have been many studies done on this. The phenomenon is often described as "rebound effects". The effect is real, and does offset some of the original energy savings. However, the effect is not large enough to completely offset the energy savings, or worse, actually increase energy/resource usage. Here is a more recent article on the subject if you are interested:
$this->bbcode_second_pass_quote('', 'G')ive everyone fuel-efficient cars and we’ll use less fuel, right? According to some economists—and opponents of mandated improvements in energy efficiency—we'll squander some of the savings by driving more. That argument goes for other forms of energy efficiency, suggesting they all can actually lead to greater energy use through a rebound effect. However, a group of economists and others, led by Kenneth Gillingham of Yale University, argue in a new Nature commentary that the rebound effect is exaggerated.
According to their article, the effect is real but small: 5 to 30 percent of energy savings may be lost due to greater use. but energy is still saved overall. These numbers are supported by many (“vast” is the word used by the authors) academic studies and simulations.
To be fair, the rebound effect is not simple. It actually comes about via four factors that interact and combine in a complex manner. The first is the “direct” effect, where a drop in the cost of using some energy-consuming device (like a car or washing machine) results in slightly increased use. For cars, various studies show that this reduces savings in energy from the improved efficiency by 5 to 23 percent initially. After everyone becomes accustomed to the lower fuel costs, this could eventually rise to 30 percent. This number is smaller for other devices like home appliances—around 10 percent. How much more often would you use your washing machine if it was more efficient? Would you even notice?
Of course, even if you didn’t notice that your appliances used less energy, you probably would see your reduced electric bill (and corresponding extra money in the bank). That wad of cash burning a hole in your pocket leads to the next manifestation of the rebound effect, the “indirect” effect. By saving money through more efficient cars and appliances, you have more money to spend on purchasing additional energy-consuming devices. This could erode energy savings an additional 5 to 15 percent.
To sum everything up: the rebound effect exists, and it should be taken into account when planning policy and legislation. Taking all the various aspects together, studies estimate the combined effects to be between 20 and 60 percent on a macroeconomic scale. This certainly isn’t negligible, but it shows that improved efficiency will still lead to reduced energy use overall.