Octane
The SGS Worldwide fuel survey (WWFS) conducted in selected countries in the Asia Oceania region in winter 2018-2019 showed that gasoline samples taken in China, Japan, Kuwait, Korea, Saudi Arabia, Sri Lanka and Taiwan met the minimum octane requirements.
On the other hand, 67% of gasoline samples taken in Iraq and 50% of gasoline samples taken in Bahrain, Iran and Oman did not meet the minimum octane requirements. The figure below shows the percentage of incompliances of octane number in gasoline samples.
Incompliance rate of octane number in gasoline samples in selected countries (2018)
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Source: Data from SGS Worldwide Fuels Survey, 2019