18 Is Enough — Sightline InstituteFirst Faved : Dec 24 2007 by mohitFaved : 2 times (1 with note)Viewed : 10 timesFave It!
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- mohit - Dec 24 2007 | cars, environment, fuel economy, math
If you think in gallons per mile, this becomes clear:
1/15 -1/18 > 1/50 - 1/100Quoted: You save more fuel switching from a 15 to 18 mpg car than switching from a 50 to 100 mpg car.
- fiverook - Jan 02 2008
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Nice one - Walmart is effectively attempting to do this with their fleet and their contractors by requiring strict vehicle standards including such seemingly small things as narrow tires, smaller mirrors, and limits on engine idle time.