Finally, it should be noted that different engines and transmissions prevail differences in operating specific buses. You will surely have already noticed these differences. Each bus is different - consider it when you step into a new vehicle.

Similarly, you will clearly notice the difference between having a few or many passengers on board.

A small note for the future: almost all electronic devices on the bus to work less or not full power, as long as the engine is off. Try it! The fan heater is a good example.