Officials at Jacobs Vehicle Systems have reviewed and support the recently-proposed emission reduction strategies by the California Air Resources Board (CARB) to further limit smog-forming nitrogen oxide and particulate emissions from diesel-powered heavy trucks, the company says. The projected emission rule will require that new trucks still using fossil fuels have the most effective emission-control technologies currently available.
The CARB amendments include:
- A proposal to reduce the current heavy-truck NOx standard from 0.20 grams per brake horsepower-hour to 0.050 g/bhp-hr from 2024 to 2026, and even lower to 0.020 g/bhp-hr in 2027.
- A proposal to reduce heavy-truck particulate matter emissions from its current emission standard of 0.01 g/bhp-hr to a standard of 0.005 for 2024 and subsequent model-year engines.
