"The only way I can control what I do is if I limit myself," she said. Gas "is an expense people don't really see, like coffee or cigarettes."
-- Rebecca Paden, 27, an analyst with state government, lives in Raleigh
From the env-econ dictionary:
Inelastic - (In-e-las-tic) - a. when the percentage change in quantity demanded is less than the percentage change in price, b. demand for a good that people don't really see, c. examples: gas, coffee, cigarettes