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AddVW Passat TDI Clean Diesel en route to new Lower 48 mpg record

Here's the thing: it takes a lot of practice to drive like a true hypermiler. The 2013 VW Passat TDI Clean Diesel with a manual transmission, for example, has an EPA estimated 31 city/43 highway mile per gallon rating. Hypermiler Wayne Gerdes thinks the car is good for at least 68 mpg.

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