IC Bus Continues Toward 2010 Readiness with Advanced EGR Engine
School Bus with 2010 MaxxForce DT Advanced EGR Engine Debuts at 16th School Transportation News School Bus EXPO Conference & Trade Show

RENO, Nev. (July 29, 2009) – Continuing on its path to meet the next round of emissions standards required for 2010, Navistar, Inc. subsidiary IC Bus this week unveiled a CE Series school bus powered by the 2010 MaxxForce® DT Advanced EGR mid-range diesel engine at the 16th Annual School Transportation News (STN) School Bus EXPO Conference & Trade Show.

“Our strategy of 2010 emissions compliance through the use of an EGR-only solution is on track,” said John McKinney, president, IC Bus. “With our MaxxForce Advanced EGR engines, we’re delivering a simple and straightforward solution that places the burden of emissions compliance on the manufacturer, not the customer.”

To meet the U.S. Environmental Protection Agency (EPA) 2010 emissions requirements for on-highway diesel engines, MaxxForce Advanced EGR engines will use proven technologies such as advanced fuel injection, air management, electronic controls and proprietary combustion technology.

“We’ve been conducting rigorous testing and analysis in our engine labs and currently have 2010 engines installed in test units,” said McKinney. “We have test vehicles on the road in real-world conditions and will have logged millions of miles of real-world experience before the launch of these engines.”

Other major bus manufacturers are choosing a 2010 emissions path through Selective Catalytic Reduction (SCR), which requires the use of an additional operating fluid, called urea, as well as significant aftertreatment equipment which will add hundreds of pounds of bulky, complex componentry to each vehicle.

IC Bus’s EGR-only approach will not require the use of urea fluid or the addition of on-vehicle urea storage tanks, converters, heaters, and the additional electronics required by SCR systems. MaxxForce Advanced EGR engines set IC Bus apart from the competition with a no-hassle, business-as-usual solution for customers by delivering lower operating costs.

“We strongly believe the accountability for emissions compliance should rest on the manufacturer, not on the actions of the driver or service technician, the reliability of new technologies or the impact of harsh weather conditions,” added McKinney. “The development and testing of our EGR solution for 2010 is in advanced stages and we are confident that our engines will deliver the performance, reliability and low operating costs our customers demand.”

About IC Bus
IC Bus, LLC of Warrenville, Ill., is a wholly-owned subsidiary of Navistar, Inc. (NYSE: NAV). The nation’s largest integrated manufacturer of school buses, IC Bus is a global leader in passenger protection, chassis design, engines and ergonomics. The company is also a producer of commercial buses. All IC Bus™ buses are sold, serviced and supported through a renowned dealer network that offers an integrated customer program encompassing parts, training and service. Additional information is available at www.icbus.com.

Media contact: Steve Schrier, 630-753-2264
Investor contact: Heather Kos, 630-753-2406
Web site: www.Navistar.com/newsroom

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