Because I spent it all on driving 50 miles to get 12 gallons of gas.
I wounder how fast it would take the U.S. to go tribal if all the Gasoline were to run out?
Read "Once Second After", by William R. Forstchen. It's a novel about an EMP attack on the US that for practical purposes renders inoperable virtually anything with electronics...which includes almost all vehicles.
Things go tribal, as it were, within a week.