American consumers are driving bigger gas-guzzling cars and buying more air conditioners and refrigerators as the overall energy efficiency of such products improves, a report released on Tuesday found.
In what the study calls "the efficiency paradox," consumers have taken money saved from greater energy efficiency and spent it on more and bigger appliances and vehicles, consuming even more energy in the process.
"While seemingly perverse, improvements in energy efficiency result in more of the good being consumed -- not less," said Jeff Rubin, chief economist and chief strategist at CIBC World Markets, which conducted the study.
The study concludes that stricter energy efficiency regulations aren't the answer to concerns over climate change and the depletion of oil supplies.
"The problem is, energy efficiency is not the final objective," Rubin said. "Reducing energy consumption must be the final objective to both the challenges of conventional oil depletion and to greenhouse gas emissions."
The study found that energy use increased by 40 percent from 1975 to 2005 while energy efficiency improved in the same period. The sectors with the greatest increases in energy use -- transportation and residential -- are also the areas where the US government is promoting energy efficiency the most.
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American consumers are driving bigger gas-guzzling cars and buying more air conditioners and refrigerators as the overall energy efficiency of such products improves, a report released on Tuesday found.
