���ϳԹ���

California Air Resources Board members have unanimously approved amendments to light-, medium- and heavy-truck onboard diagnostic system regulations that will require more data to be stored by the OBD systems, and address issues regarding several malfunction monitors.

California environmental regulators have extended to May 1 the mandated deadline for motor carriers that operate in the state with $50 million or more in 2019 revenue, or carriers with more than 50 trucks, to file a one-time report about their trucks and operations.

California environmental regulators gave motor carriers a look at a tweaked heavy-duty vehicle smog inspection and maintenance program proposal that will require motor carriers to “smog test” their fleets quarterly, rather than current requirements for an annual inspection.

Gov. Gavin Newsom has named one of California’s utility-company regulators to lead the state agency that fights air pollution and climate change.

Industry experts noted the speed of emissions regulation changes during the session titled “EPA vs. CARB Regulations: What does this Mean for a Fleet in 2022 and Beyond” during American Trucking Associations’ Management Conference & Exhibition.

California regulators have unanimously approved a sweeping regulation that will lower oxides of nitrogen and particulate matter emissions for new trucks built beginning in 2024.

California regulators already have issued a proposal aimed at lowering oxides of nitrogen and particulate matter emissions for new trucks built beginning in 2024, but federal regulators are still working to craft a separate nationwide low-NOx and PM proposal scheduled to take effect in 2027.

Stakeholder comments on the Environmental Protection Agency’s plans to aggressively reduce oxides of nitrogen emissions generally were positive, but with some caveats.