We found that results vary from regulation to regulation. Some of them work well, but in other cases there is a gap between the target and the results. The department should explain to you in detail why there have been gaps like those to date. I can tell you that the heavy-duty vehicle and engine greenhouse gas emission regulations are up for review soon, and I believe the review will include a new emissions reduction target.
On October 17th, 2023. See this statement in context.