Shell Unleaded 91
At Shell we are committed to helping you go further. Shell Unleaded with Fuel Economy Formula has been designed by Shell experts to give you extra kilometres.*
Shell has played a leading role in the development of high quality fuels. For over 100 years, we have been supplying quality fuels, and investing in the best people and science in order to drive fuel technology forward.
Through our international network of research and development centres, we’ve performed road trials equivalent to going round the world hundreds of times.
Shell Unleaded with Fuel Economy Formula is specially designed to give you extra kilometres by helping combat efficiency losses caused by deposits in your engine.*
* Based on tests using fuel without additives and may vary by vehicle.
Shell’s fuels scientists have explored where losses take place and have developed fuel formulation strategies to help improve engine combustion efficiency, creating innovative fuel technologies designed to give you extra kilometres.
Shell Unleaded with Fuel Economy Formula has been formulated to address a number of ways the fuel and your engine work together.
Shell's fuel scientists have developed strategies to help maximise the amount of chemical energy in the fuel that’s converted to useful work at the wheels, driving you forward.
Combustion is most efficient when the precise amount of air and fuel are mixed together at the right time.
With some conventional fuels, deposits may form over time on the back of the inlet valves. This can lead to delays in the required fuel charge entering the engine and a poor mix of fuel and air, reducing your engine’s efficiency.
Shell Unleaded with Fuel Economy Formula has been formulated by Shell scientists to help prevent the build-up of these deposits, helping to maintain your engine’s efficiency.