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Oxford English Dictionary's word of the year: 'hypermiling'

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For the third year running, the Oxford English Dictionary has selected a green-themed term as its word of the year. This year the word is "hypermiling."

According to the Oxford University Press blog, the term was coined in 2004 by Wayne Gerdes, who runs CleanMPG, a web community for those trying to squeeze the maximum number of miles from every gallon of gas they put in their tanks. Oxford defines "hypermiling" as attempting "to  maximize gas mileage by making fuel-conserving adjustments to one’s car and one’s driving techniques."

Some of these adjustments are pretty straightforward – removing all the heavy stuff sitting in the trunk, turning off the A/C, avoiding sudden braking and jackrabbit starts, coasting to stops, anticipating traffic up ahead, and generally driving smoothly.

But other techniques are more extreme. Some hypermilers over-inflate their tires to reduce rolling resistance.  Or they roll through red lights and stop signs. Or they coast with their engines off. Or they draft behind semis.

A couple years back, Dennis Gaffney, a reporter with Mother Jones magazine took a white-knuckled ride through Chicago in Mr. Gerdes's Honda Accord :

As we take off – or, more accurately, as the vehicle rolls forward really slowly – I notice that all four windows are closed and the AC is off. I'm sitting in one of the most technologically advanced cars in the world, and it feels like I'm trapped in a fanless tollbooth in Biloxi, Mississippi, in August. We take the interstate to Wayne's house. The speed limit is 55, and most of the traffic is zipping past at 75 or so, but Wayne hovers around 50 mph. He's riding the white line on the right side of the right-hand lane.
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