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• A testing based assessment to determine impacts of a 10% and 20% Ethanol Gasoline fuel blend on non-automotive engines (PDF - 502 KB)

About this report

This report presents the findings of testing non-automotive engines with gasoline containing 10% and 20% by volume ethanol (E10 and E20), completed by Orbital Engine Company. The program is an initiative of the Environment Australia project 'Market Barriers to the Uptake of Biofuels - Testing Petrol Containing 20% Ethanol (E20)'. The program comprised two components these being a desktop study and an experimental study. Both components have run in parallel.

The desktop studies were undertaken with the intent of providing further focus and substantiation to the experimental study work scope as well as providing an insight into those engine application areas that may require further consideration.

These reports have confirmed that the proposed experimental program is reasonably broad in terms of capturing the potential issues identified, though careful consideration should be given in particular to aircraft engines utilising pump gasoline.

The experimental study work scope has three major components:

• Engine performance and operability testing
• Engine durability testing
• Component material compatibility testing.