Electronic vehicle management systems comprised of an on board computer or black box with nonvolatile memory, backup battery, wireless communication modules, input devices, switches and sensors, programmable digital assistant and mobile computers, software application programs, computer servers and databases; vehicle monitoring, tracking, and immobilization systems comprised of an on board computer or black box with nonvolatile memory, backup battery, wireless communication modules, input devices, switches and sensors, programmable digital assistant and mobile computers, software application programs, computer servers and databases; Electronic devices and software thereof for use in transmitting data over a wireless or wireline network; wireless data modems, portable computer network routers, hand-held wireless modems and computer network routers, and wireless gateways used for linking terminals via a computer network; wireless embedded modem modules; computer software for use in wireless modems, portable routers, and wireless gateways for linking terminals via a computer network