The EPA is looking to establish more stringent heavy-duty diesel truck emission standards for oxides of nitrogen (NOx) and other pollutants. The exact rule may well hinge on public comments— and the agency may be deluged by them, both pro and con, given the early reaction.
Ontario will increase its focus on truck emissions in 2020 as the Canadian province prepares to crack down on anyone that bypasses emissions controls – and that includes on-highway enforcement on trucks from other jurisdictions.
Even as the Trump Administration attempts to roll back California’s right to implement stricter-than-federal vehicle emission rules, the Golden State has acted to further choke off diesel emissions from trucks.