To answer the question in the headline: not much. Seeing a truck that reads "HOGNGAS" makes me wonder if the driver is unabashedly proud of the fuel he or she burns or if it's an apologetic way to tell the world that, driving on the highway, an F150 gets somewhere between 16 and 19 mpg (even less on E85).

In either case, we thank ABG reader Petdad for pointing us to this picture he took near Portland, Oregon. If you've got a picture for us, let us know.

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