GPS or the Global positioning system was developed by the US military. It is a navigation system with 24 satellites hovering around the earth. The system works on the theory of triangulation. With the help of GPS receivers, the exact location of any object on earth can be found out. Its use in the private sector was allowed in 1980's. It's the new personal utility.

Cars must have GPS devices in them. This will help in saving fuel, time. It will also help in keeping a track and it will also ensure safety.

Time saving: A lot of time is wasted when one is lost. So this time waste can be prevented with the use of GPS. The device will direct you to your destination whether you are lost truly or looking around for some particular address. This will make sure that you reach your destination on time. It will keep you on time for your appointments. It will also prevent disagreements with your associates or fellow passengers.

Fuel Economy: You will drive fewer miles because you will be guided to your destination through a direct route with the help of the GPS device. Fewer miles will save money on fuel. This will save a lot of money and your vehicle will also need less servicing. There will be fewer engine services and fewer oil changes. The tires will also last longer. You can also decrease your auto insurance premium with the help of reduced mileage throughout the year.

Tracking: This feature is available in some GPS devices. The feature allows tracking of a vehicle which has GPS in it. This is especially significant if you want to keep track of a child who is new to driving.

Safety: With the help of GPS device, you will never be lost. So you don't need to stop and ask for directions. People have to stop for asking directions even if they find the place unsafe. However this problem can be solved with the use of GPS. This will prevent your car from car jackings. This is a very good feature which will keep your car safe in today's scenario.

GPS is of great importance in personal use. However its use is even more appreciated in a courier or delivery vehicle. GPS can help you a lot in case you are the in charge of a fleet of vehicles. You can put the GPs devices in your cars and it will save you a lot of time and money. GPS has become absolutely necessary for vehicles!