Set out for the trip right away rather than letting your car warm up while stationary

Do not warm the engine up on idle, because in this mode the engine warms up slowly, as it is not required to generate any other power output than that sufficient for self-propulsion and its temperature therefore increases very slowly. It is much better to set out for the trip right away and do the first few miles with a light foot. Only a properly warm engine achieves optimum fuel consumption levels, and this way you will not only safe fuel but also increase the engine’s lifespan.