Sulfur
The average sulfur content of gasoline metal-free samples from 2014 to 2018 is shown in the figures below.
All the samples were within the specifications’ allowed limits. In 2018, Botswana and Swaziland had the lowest sulfur content when compared to the other countries.
Sulfur content of metal-free regular gasoline samples
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Source: SGS Worldwide Fuel Survey and Joint Venture, 2019
Sulfur content of metal-free premium gasoline samples
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Source: SGS Worldwide Fuel Survey and Joint Venture, 2019