Changes such as the collapse of a bridge or the rising price of gasoline, he says, could alter people's behavior in ways that would affect their overall movements. (sciencemag.org)
Again, think of the high price of gasoline at the pumps. (remonline.com)
A strong dollar cuts prices of gasoline and other consumer goods, and leaves consumers with more disposable income to spend once their gas tanks are full and houses are heated. (pnc.com)