[undeniable logic]

The director of the Consumer Union’s Eco-Labeling Project added that “each hamburger sucks up a half-gallon of gasoline”

I'm trying to think through the economics of this. Unless she is talking about 10+ pound hamburgers, I'm going to have to call BS on this one.

[DuncanWaring]

“each hamburger sucks up a half-gallon of gasoline”

This means that if gasoline costs a dollar a gallon, there's a cost factor of $.50 in each hamburger, before you even consider all the other costs of producing beef.

And of course, gasoline generally costs more than a dollar a gallon.

This falls into the same category of "If we don't have undocumented workers to pick lettuce, it'll cost $4 a head."