D.C. Commuters to be Scanned With Infrared Cameras
owlgorithm writes "Washington, D.C. area commuters are going to be "scanned like groceries at the supermarket" in order to catch single-occupant vehicles who are illegally using carpool lanes. The article, from the Washington Post, says that infrared cameras capable of detecting human skin will be installed, rather than the visible-spectrum cameras in use today. So much for using dummies in the front seat."
Anti-illegal immigrant technology actually. Used mostly to look for stowaways in luggage and cargo.
Luggage and cargo areas tend not to be heated. Whereas the passenger compartments of cars typically have the ability to control the ambient temperature.