Built in irony about automobility

How is having a third car, albeit a small one, a good thing?

See "And Gas Saver Makes Three Cars in the Driveway," from the New York Times. From the article:

But hundreds of thousands of consumers aren’t giving up anything to downsize. Instead, they are simply adding pint-size transportation to their driveways, parked alongside their S.U.V. or pickup.

In households that own a small car, the family fleet is close to an average of three vehicles, according to CNW Marketing Research, which tracks industry trends (the national average is just over two cars per household; America was a one-car-per-family nation a generation ago).

These growing fleets suggest an approach to conservation that is more addition than subtraction. “Small cars are like a fashion statement,” said Art Spinella, president of CNW Marketing.
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Rather than "We support our troops" ribbons on the backs of SUVs, how about "a soldier's death is not in vain because I can still buy a tank of gasoline?"