This document presents information on a CRYOCAR, a vehicle that uses liquid nitrogen as its fuel source. It discusses how liquid nitrogen is produced, the main components of the engine that uses liquid nitrogen, and its working principle. Some key details are provided on the efficiency of liquid nitrogen vehicles, including their mileage and costs. Advantages like reduced weight and refueling time are highlighted, alongside disadvantages such as safety issues. Reasons for the technology not being commercialized yet and possible solutions are also summarized.