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Mack Unveils Retrofit Diesel Particulate Filter To Meet New CARB Regulations

Monday. February 9. 2009

LEHIGH VALLEY, PA (February 9, 2009) – Mack Trucks, Inc. now offers retrofit diesel particulate filters (DPF) to allow operators of older-model Mack trucks to meet stringent new emissions requirements from California environmental regulators.

The California Air Resources Board (CARB) intends to improve air quality by reducing particulate matter (PM) emissions from older vehicles. The new requirements apply to all diesel-powered vehicles over 14,000 pounds GVWR; this includes out-of-state vehicles which operate in California, as well as vehicles based in the state. Mack’s retrofit DPFs are designed for non-EGR (exhaust gas recirculation) diesel engines sold from 1996 to 2002. CARB projects the use of retrofit DPFs will reduce PM emissions by 13 tons a day in 2014. CARB will offer financial assistance and incentives for the purchase and installation of the DPFs (preliminary details regarding the regulations and financial incentives can be found at http://www.arb.ca.gov/msprog/onrdiesel/documents.htm).

Mack’s retrofit DPFs come with a five year/150,000 mile warranty and can be ordered through any Mack dealer in the U.S. and Canada. Dealer installation is required. The product is integrated into existing exhaust systems and offered in several sizes based upon engine displacement and horsepower. Each retrofit DPF comes with an installation kit, complete with brackets, engineered for the customer’s specific Mack model.   

The DPF uses active regeneration to clear accumulated PM from the unit’s filter element. This involves raising the heat of the DPF by injecting a small amount of diesel fuel, typically after 8 to 10 hours of truck operation. The DPF system includes an electronic control unit which constantly monitors the filter element to precisely control PM accumulation and regeneration. Retrofit DPFs using passive and passive/active regeneration technologies are under development for 2002-2006 EGR engines. The retrofit DPF system is manufactured by HUSS, LLC, Palm Springs, California, a specialist in exhaust aftertreatment for diesel engines.

Dedicated to quality, reliability, and total customer satisfaction, Mack Trucks, Inc. has provided its customers with innovative transportation solutions for more than a century. Today, Mack is one of North America’s largest producers of heavy-duty trucks, and MACK® vehicles are sold and serviced in more than 45 countries worldwide. All Mack manufacturing locations are certified to the internationally recognized ISO 9001 standard for quality and ISO 14001 standard for environmental management systems. Mack is also a proud sponsor of Share the Road, an American Trucking Associations' public information campaign aimed at enhancing the safety of our nation’s roadways.

Mack Trucks, Inc. is part of the Volvo Group, one of the world's leading manufacturers of trucks, buses and construction equipment, drive systems for marine and industrial applications, aerospace components and services, and one of the world's leading producers of heavy-diesel engines (9-18 liter). The Group also provides complete solutions for financing and service. The Volvo Group, which employs about 100,000 people, has production facilities in 19 countries and sells their products in more than 180 markets. Volvo Group sales for 2008 amounted to over $38 billion. The Volvo Group is a publicly-held company headquartered in Gothenburg, Sweden. Volvo Shares are listed on OMX Nordic Exchange Stockholm and are traded OTC in the U.S.

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