New Emission Standards in Ontario: What's Changing for Heavy Trucks: Roadside smog patrol teams also got more authority to catch violations in real time. These teams drive around with mobile equipment and canpull a truck over for a spot check at almost any moment. If your truck shows signs of tampering, you could face penalties separate from a failed emissions test in Ontario. That's a costly mistake nobody wants on their record. https://mobiletruckemissiontests.blogspot.com/2026/08/new-emission-standards-in-ontario-whats.html