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From the moment you fill your car with Shell FuelSave Diesel, you could start to benefit from the new fuel economy formula. That's because it's enriched with Shell Efficiency Improver, designed to improve fuel economy from the very first drop.

How does Shell Efficiency Improver work?

This fuel-efficient formula is designed to ignite and burn more effectively, helping to produce more efficient combustion in your engine. This can help you to get the most out of every drop of Shell FuelSave Diesel and to save you up to 1 litre per tank* at no extra cost.
Getting to this stage was a welcome challenge for our scientists, who relentlessly tested the fuel in their lab as well as on the road so that each time you fill up, you can save.

So, save up to 1 litre per tank* with Shell FuelSave Diesel - head to your nearest Shell station today.

* Based on a minimum tank size and fill up of 50 litres. Urban cycle comparison between a standard diesel and that same standard diesel containing our instantaneous fuel economy formula. Actual savings may vary according to vehicle, driving conditions and driving style.