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Ontario's Sulphur-in-Gas Reporting Regulation

The Ontario government has introduced a regulation which requires Ontario gasoline manufacturers, blenders and importers to report to the government on the average level of sulphur in their gasoline four times a year.

View the latest Average sulphur levels of gasoline in Ontario - Data Tables

Sulphur in gasoline — What you need to know

• Sulphur is a natural part of crude oil that also is found in refined gasoline.

• Not all gasolines are equal. Depending on the crude and refining methods in use, values range from as low as 30 ppm (parts per million) to 800 (ppm).

• Through the combustion processes in vehicle engines, the sulphur contained in gasoline becomes an air pollutant that contributes to smog and acid rain.

• Sulphur in gas reduces the efficiency of a car's emissions control system.

• Buying lower-sulphur gasoline helps improve the quality of Ontario's air and helps your car operate at maximum efficiency.

If you want to know more ...

... about the sulphur levels of Ontario gasoline.

... about the details of Ontario's new sulphur-in-gas reporting regulation [PDF].

... about sulphur in gasoline, click here to access our frequently-asked questions (FAQ) page.

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