1. One hundred kilometers constant fuel consumption
hundred kilometers constant speed under constant load in an automobile, on a good level road, constant speed cars to the highest gear 100km, take multiple trips average fuel consumption record, you can get 100 km fuel consumption car under different speed. The fuel consumption of each vehicle segment with the point connected together, it is found that an upwardly open parabola, most recessed point is the lowest fuel consumption of vehicle speed range, i.e. ldquo; economic speed rdquo ;.
In some manufacturers as the economic speed fuel consumption parameters actually used as reference value only, since the user is generally very difficult to do it, causes and ldquo; acceleration time rdquo; for the same reason.