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Esso fuels

How our Synergy™ Diesel works?

Follow the energy through a diesel engine.

Fuel injectors

Esso Synergy Diesel helps to keep fuel injectors clean to help improve engine performance.*

Combustion chamber

It’s here in the combustion chamber where everything comes together.

A closer look

Esso Synergy Diesel is designed at a molecular level to help clean up fuel injectors.*

Exhaust valves

The exhaust valves, where combustion gases are discharged.

*Esso Synergy Diesel Claims based on (1) internal or third party vehicle engine testing; and/or (2) government publications; and/or (3) industry or scientific literature. Testing based on diesel vehicles purchased on the UK used car market and independently tested at Mahle, UK. Fuel economy was assessed in the condition vehicles were received. Testing occurred over 4000 km using Esso Synergy Diesel and the average increase in fuel economy in the cars tested was 1.8%. Benefits may vary depending on factors such as engine type, engine condition, driving style, and diesel previously used.