A student group at Carnegie Mellon University surveyed the tire pressure of a bunch of cars parked on campus and concluded that on average, the drivers of these cars could save $432 a year (by increasing fuel efficiency) just by keeping their tires properly inflated. Of course, this also includes reductions in air pollution and gasoline consumption.
I know that America could accomplish many great things if we took small steps such as this to stop wasting our resources, and then reinvested those resources in ourselves and our communities. Kudos to Carnegie Mellon's Sustainable Earth Club for identifying a simple way to make a better world.
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