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filed March 11, 2022 under Environmental Protection Act, R.S.O. 1990, c. E.19

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ontario regulation 183/22

made under the

Environmental Protection Act

Made: March 10, 2022
Filed: March 11, 2022
Published on e-Laws: March 11, 2022
Printed in The Ontario Gazette: March 26, 2022

Amending O. Reg. 457/19


1. Section 1 of Ontario Regulation 457/19 is amended by adding the following definition:

“motor vehicle” has the same meaning as in subsection 1 (1) of the Highway Traffic Act; (“véhicule automobile”)

2. Sections 2 to 9 of the Regulation are revoked.

3. Paragraph 3 of subsection 13 (1) of the Regulation is revoked and the following substituted:

3. If the vehicle were operated, the opacity of the vehicle’s emissions would not exceed the percentage specified in Column 2 opposite vehicles of that model year in Column 1 of the following Table:



Column 1
Model Year of Heavy Diesel Vehicle

Column 2
Opacity Percentage


1990 and older

If the vehicle is not a school bus, 40%
If the vehicle is a school bus, 30%


1991 to 2007



2008 and newer



4. Clause 14 (b) of the Regulation is amended by striking out “section 4” and substituting “paragraph 3 of subsection 13 (1)”.

5. Section 17 of the Regulation is revoked and the following substituted:

Service of vehicle emissions reports

17. A vehicle emissions report may be given to a person who owns or has management or control of one or more motor vehicles by leaving a copy of the report with the driver of any of the vehicles.

6. Section 18 of the Regulation is revoked.

7. The Regulation is revoked.


8. (1) Except as otherwise provided in this section, this Regulation comes into force on the day it is filed.

(2) Sections 1 to 6 come into force on the later of April 1, 2022 and the day this Regulation is filed.

(3) Section 7 comes into force on July 1, 2022.