Pay As You Drive.

Byline: Benjamin Sutherland

Those little GPS navigation devices on the dashboard have made driving unfamiliar terrain a lot easier. Now an innovation that combines Global Positioning technology with mobile phones promises to make driving a lot cheaper, for some. Cars can now carry gizmos that capture GPS location data and send them via mobile phone to the insurance company, which charges drivers a fee determined by when, where and how far they drive, rather than a flat rate. Motorists can reduce their fee by simply driving less, or by limiting high-risk nighttime and rush-hour driving, and choosing roads with low speed limits, traffic medians and guard rails ...