Helpful ideas to keep you motoring

Keeping you on the road

Winter motoring – why it reduces your fuel economy

As if driving in the dark, the rain and the snow didn’t make winter motoring hard enough, you may also notice another downside to the season. Winter driving causes a significant drop in your fuel economy. In the coldest climes, drivers can see a difference of as much as 20% between the warm summer days and the coldest days of winter.

But why does your car use more fuel in the cold weather? And is there anything you can do about it?

You cannot change the laws of physics!

It’s unlikely that Star Trek’s engineer Mr Scott ever had problems with cold weather, but he would certainly have understood the physics behind poor winter fuel economy. The problem is that all substances become denser as they get colder, and this affects your fuel economy in several different ways:

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