Supposedly going faster uses more fuel. But your getting to the place quicker. Shouldn’t you just be using the same amount of fuel as if you were driving slower and getting there later?

Question

Supposedly going faster uses more fuel. But your getting to the place quicker. Shouldn’t you just be using the same amount of fuel as if you were driving slower and getting there later?

In: Chemistry

Answer 1

The faster a vehicle travels, the higher the air resistance and that resistance goes up much faster the faster you go. IE doubling your speed doesn’t double the air resistance, it’s more like quadrupling it.

The optimum speed for best range and efficiency will vary with a vehicle depending mostly on it’s aerodynamics. Generally the more slippery it is through the air, the higher it’s most efficient speed.