How much money would be saved if the energy efficiency of commercial and industrial buildings in our country improved by just 10 percent?
A) $2 million
B) $20 million
C) $2 billion
D) $20 billion
Scroll down to check your answer...
According to the U.S. Environmental Protection Agency, the correct answer is $20 billion! Wow! So much can be saved by just a 10% decrease.
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