CARB, EPA approves two new DPFs

By Charlie Morasch, Land Line contributing writer | 11/30/2012

The California Air Resources Board has given approval for two new DPF models to be marketed and sold for Class 8 trucks.
Ventura, CA-based Clean Diesel Technologies announced in mid-November it had been granted CARB’s temporary approval for its Purifilter diesel particulate filter.
On Friday, Boshart Engineering Inc. announced CARB’s verification of its BE Econix DPF – which has what the company called the industry’s “first safety device for a DPF.”
CARB’s temporary exemption allows Clean Diesel Technologies to sell the Purifilter while CARB completes its final verification process on the filter and its “passively-regenerating” system.
“The verification process has been lengthier than we had anticipated due to the unique and proprietary nature of the product,” said Craig Breese, CEO of Clean Diesel Technologies, according to a news release. “However, we remain confident that full verification by both CARB and the EPA will occur in the near future.”
The Purifilter filter is expected to be installed on many trucks that need DPFs to comply with California’s Truck and Bus regulation. Until the DPF gains full approval from CARB, however, the filters won’t count toward a truck owners’ compliance with the Truck and Bus rule.
The BE Econix filter uses a patented active metal system the company says adds a safety to the retrofit system.  Ontario, CA-based Boshart Engineering Inc. said the DPF has the “shortest regeneration time in the industry at less than 10 minutes and without a plug-in.”
“We were able to achieve the vision of including a safety device with a DPF through a diligent and dedicated effort of CARB,” Boshart Engineering CEO Ken Boshart said in a news release. “We were thrilled to meet CARB requirements for our verification.”
Both DPFs are expected to be retrofitted onto many used trucks to meet CARB’s Truck and Bus Regulation.
CARB has been publicizing the Truck and Bus rule for months, particularly after it found many small businesses weren’t aware of the regulation.
In the Clean Diesel Technologies news release, Breese acknowledged the trucking industry “has experienced a slower than expected adoption rate under the Truck and Bus Regulation.”
The Truck and Bus Rule, also known as the “Retrofit Rule,” will require trucking fleets to either install diesel particulate filters or upgrade their trucks. CARB has set up a Truck and Bus Rule registry database to keep track of the hundreds of thousands of commercial vehicles that operate in California annually.
For more information, truck owners may call CARB’s hotline at 1-866-6DIESEL or visit the CARB Truckstop.

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