A black box in your car? Some see a source of tax revenue

A black box in your car? Some see a source of tax revenue - latimes.com:
"The devices, which track every mile a motorist drives and transmit that information to bureaucrats, are at the center of a controversial attempt in Washington and state planning offices to overhaul the outdated system for funding America's major roads.
The usually dull arena of highway planning has suddenly spawned intense debate and colorful alliances. Libertarians have joined environmental groups in lobbying to allow government to use the little boxes to keep track of the miles you drive, and possibly where you drive them — then use the information to draw up a tax bill."