CARB Verifies Cleaire LongMile–S™ Diesel Particulate Filter

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LongMile-S verification covers a broad range of on-road engine models built between 1993 and 2010, including later model EGR and Caterpillar ACERT engines.

Cleaire LongMile-S

Cleaire LongMile-S

The LongMile-S comes in a wide range of sizes to retrofit the large population of on-road engines in use today, including EGR and Caterpillar ACERT engines.

Cleaire Advanced Emission Controls announced today that the California Air Resources Board (CARB) has verified the LongMile-S™ diesel particulate filter as Level 3+ for on-road applications. The verification covers a broad range of engine models built between 1993 and 2010, including later model EGR and Caterpillar ACERT engines.

The CARB Level 3+ designation means the LongMile-S has successfully demonstrated diesel particulate matter (PM) emission reductions of greater than 85% while meeting the NO2 emission standard. The LongMile-S has passed stringent performance and reliability testing and is compliant with CARB verification requirements which are also recognized by the US EPA for use in incentive and regulatory diesel emission reduction programs.

The LongMile-S consists of a diesel oxidation catalyst, an uncoated silicon carbide DPF, and an advanced monitoring and data logging system. The system can be applied to duty-cycles with an exhaust temperature profile of either 260°C (degrees Celsius) for at least 20% plus
300°C for at least 5% of the time, or 260°C for at least 25% of the time.

“We are very pleased to offer an updated version of our passive DPF product,” said Gale
Plummer, CEO. “The LongMile-S rounds out our portfolio of verified diesel emission control
systems, giving customers solutions for a wide variety of on-road applications. Our product
portfolio, combined with our broad network of qualified dealers, offer customers best in class
products and service.”

“The LongMile-S uses the proven and robust silicon carbide DPF technology we’ve used in
our other products over the last 10 years,” said Brad Edgar, President and Chief Technical
Officer. “The LongMile-S comes in a range of sizes to accommodate a large population of
engines in use today, including challenging EGR and Caterpillar ACERT engines.”
The passive regeneration system, modular gasket less design, and state of the art monitoring
system make the LongMile-S an excellent candidate for retrofitting a very broad range of
trucks and buses.

Rather than prematurely replace good equipment to comply with regulations and clean air
initiatives, retrofitting with a DPF enables vehicle and fleet managers to achieve the same
PM emission levels as a new vehicle, but at a much lower cost.

Please visit for more information or to locate an authorized dealer.

About Cleaire Advanced Emission Controls, LLC
Cleaire designs, develops, and manufactures retrofit emission control systems for today’s existing diesel engines. Our diesel particulate filters have been verified by the California Air Resources Board (CARB) and are compliant with both US EPA and CARB requirements to provide maximum PM emis¬sion reductions for a wide range of diesel applications, both on-road and off-road. Further, Cleaire provides proven solutions to diesel emissions compliance while extending the operating life of exist¬ing equipment and avoiding costly replacement. Our network of dealers throughout North America provide local pre- and post-sale support, including grant writing assistance, installation and training. Cleaire is headquartered in San Diego, California, with engineering and testing operations in Oakland and Richmond, California.

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