When the price of diesel increases, it is necessary to put into practice some strategies that allow to save fuel. In this article we give you some tips to economize and destroy some popular myths. The fact that the price of diesel has increased in recent months leads us to assume different strategies to save. However, ignorance about how it works engine and a series of myths in this regard, prevent us economize everything that we could. The operation of the motor diesel diesel engine operates at half of revolutions than a gasoline engine by which consumes much less. However, the logic of work is always the same: the number of revolutions is directly related to fuel consumption. This means that everytime you step on the accelerator, increase the number of revolutions and with them more diesel you consume. The key to save lies in stepping on the accelerator when really necessary and upload speed just to make the shift. In this sense, you must bear in mind that when diesel engine it surpasses 1,000 rpm, has time to change gear. Remember that if you keep the short gears for too long, the engine speed will increase and this will consume more fuel. Some myths that prevent the savings in the popular imagination still remain a number of common misconceptions about the operation of the diesel engine. For example, two of the most widespread myths make reference to which is necessary to warm up the engine before starting the car and that is better not turn during brief stops because this will damage and spent more fuel. The truth is that new cars diesel engines have technology that allows them to start immediately so it will not be necessary to wait for a few minutes with the engine running. On the other hand, these motors tend to be resistant and are not damaged when turned off and turned on in short periods of time. In addition, turning the engine off and on does not consume more fuel that let the engine turned on while you are doing a relatively short stop.