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But Will 10 Billion Fewer Miles Ease My Commute? Print E-mail
Written by Samantha Hulkower   
Thursday, 27 March 2008

As anyone who has taken an economics course knows, the laws of supply and demand are simple: When demand increases while supply decreases, the price goes up, and demand will eventually go down. Economists, for all our eagerness to forecast and predict people's behavior, recognize there is a lag time between the increased prices and decrease demand, but they'll be darned if they can tell you what that is.

Well, it looks like Americans may have finally reached their threshold for what they are willing to shell out for gas. The Federal Highway Administration said this week that Americans drove 0.4 percent less in 2007 than 2006, from 3.01 trillion miles to a mere 3 trillion miles. 0.01 trillion miles doesn't sound statistically significant, until you realize that's actually 10 billion miles.

Using the combined CAFE for cars and light trucks produced in 2007 of 22.2mpg, that's about 450 million gallons of oil not turned into greenhouse gases and other pollutants by vehicles last year. Not bad.

Will this translate into reduced CO2 emissions? Well, mass transit ridership is increasing, and this year's New York Car Show is exhibiting lots of fuel efficient rides. Considering the U.S. was recently admonished by the International Energy Agency for having some of the sorriest CAFE standards in the world, we'd like to think that larger changed are imminent.

Of course, this week's news could be due to the economic downturn and the fact Americans are too busy trying to keep their homes from foreclosure to be able to joyride around the mall. But beggars can't always be choosers when it comes to reducing emissions.

Comments (16)Add Comment
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link?
written by Brian, March 27, 2008
This is very encouraging news. I can imagine that 2008 will show a significant decrease over 2006/2007, given the current gas prices. And in addition, I'll bet the average car this year has better fuel economy than in the previous two years.

Can you provide a link to the FHA story? I went to their website and couldn't find it.
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450 million
written by a guest, March 27, 2008
That would be 450.5 million gallons of petrol not 222 billion.
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...
written by Samantha Hulkower, March 27, 2008
Hi Brian,

I looked for the report too but couldn't find it. It was reported by Reuters, maybe the know someone on the inside?

Samantha
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Indeed! Someone multiplied instead of divided...whoops.

- Hank
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