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arbcombo -- Verification of Johnson Matthey Reformulated CRT™ Posted: 31 Dec 2008 13:06:58
Verification of the Johnson Matthey Reformulated CRT™ for On-road Applications . The Air Resources Board has verified the Johnson Matthey reformulated CRT™ Particulate Filter system for specific 1994 through 2006 model year diesel engines used in on-road applications. All of these engines are four-stroke, turbocharged, and were certified in California to the 0.1 gram per brake horsepower-hour (g/bhp-hr) particulate matter (PM) emission standard when new. The reformulated CRT™ Particulate Filter system employs a catalyst and a wall-flow diesel particulate filter with a back pressure monitor to achieve an 85 percent reduction in particulate matter emissions, qualifying it for Level 3 “Plus” verification. Specific engine families and conditions for which the reformulated CRT ™ Particulate Filter system has been approved may be found on the Verification webpage within 10 days. You are receiving this single arbcombo email because you are a subscriber to or have made a public comment to one or more of the following lists: diesel-retrofit, ms-mailings.