Photo-electrochromic window tinter

A method of adjusting a window tint responsive to a geographic location, the method comprising:

• a. obtaining a geographic location;
• b. providing a first electrical signal to an electrically-adjustable light transmitter, which is configured to change a light transmissivity responsive to the provided electric signal, the electrical signal being received from a controller, which receives data corresponding to the geographic location;
• c. obtaining a window tinting rule, from a data base of window tinting rules for a plurality of jurisdictions, the data base being accessible to the controller.

An electrically-driven vehicle comprising:

• a. an electrically-adjustable light transmitter configured to change a light transmissivity responsive to an electric signal, the signal provided to the electrically-adjustable light transmitter being responsive to a geographic location;
• and
• b. a controller coupled to the electrically-adjustable light transmitter and configured to control electric charge provided to the electrically-adjustable light transmitter.