Fuel Economy Improvement Is Guaranteed In International® DuraStar™ Trucks With New MaxxForce™ Engines
'Fuel Economy Challenge' program a win-win for customers


WARRENVILLE, IL (March 24, 2008) Many commercial trucks claim to have outstanding fuel economy, but only one brand is backing its claims with a guarantee. Customers who purchase a qualifying new International® DuraStar™ powered by a MaxxForce™ 7 or MaxxForce DT engine will experience a guaranteed fuel economy improvement of 7 percent or greater after six months as part of International’s “Fuel Economy Challenge.” After six months, if the customer has not seen at least a 7 percent fuel economy improvement over their previous qualifying truck, the customer will receive a $1,000 fuel card.

“This program is our way of telling customers that we’re listening,” said Steve Guillaume, general manager, Medium Truck Group. “Customers said that fuel economy is important, and we’ve responded with a product that delivers superior performance and a guarantee that backs it up.”

Customers are eligible if they purchase a qualifying DuraStar between March 6, 2008, and June 30, 2008.

Testing at a Robert Bosch testing facility in South Bend, Indiana was performed to validate the fuel economy of the MaxxForce 7 and MaxxForce DT engines. In the end, the MaxxForce 7 demonstrated a fuel efficiency improvement of up to 13 percent versus the previous International® VT 365 engine. The MaxxForce DT demonstrated a fuel economy improvement of up to 9 percent versus the previous International DT 466.

More information on the Fuel Economy Challenge can be found at InternationalTrucks.com/guarantee.
 
About Navistar
Navistar International Corporation (Other OTC: NAVZ) is a holding company whose wholly owned subsidiaries produce International® brand commercial and military trucks, MaxxForce™ brand diesel engines, IC brand school and commercial buses, and Workhorse brand chassis for motor homes and step vans. It also is a private-label designer and manufacturer of diesel engines for the pickup truck, van and SUV markets. The company also provides truck and diesel engine parts and service. Another wholly owned subsidiary offers financing services. Additional information is available at www.Navistar.com.

Media Contacts:
Mark Johnson
Navistar
(630) 753-3518 
Mark.Johnson@Navistar.com

Dane Roth 
Ketchum 
(312) 228-6843 
Dane.Roth@ketchum.com 


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