LOUISVILLE, Ky., March 27, 2008 – Kenworth Truck Company will launch the Kenworth Clean Technology Tour this spring to showcase its range of new products for heavy and medium duty truck purchasers. The extensive Kenworth Clean Technology Tour is expected to appear at 70 events, including several in Environmental Protection Agency (EPA) non-attainment areas.

Kenworth’s environmental vehicles on the tour will be a Kenworth T800 liquefied natural gas (LNG) vehicle, a Kenworth T270 medium duty diesel-electric hybrid truck, and an aerodynamic, EPA SmartWay™ program eligible Kenworth T660 equipped with the CARB-compliant Kenworth Clean Power® no-idle system. Tour stops will be made in conjunction with Kenworth dealerships.

The tour is expected to run into the fall. “The Kenworth Clean Technology Tour is a great opportunity for customers to see environmentally friendly products from Kenworth that can help lower operating costs and reduce emissions,” said Gary Moore, Kenworth assistant general manager for marketing and sales. Kenworth, a division of PACCAR Inc, is a leading manufacturer of heavy and medium duty trucks.

Kenworth is the recipient of the 2007 J.D. Power and Associates awards for Highest in Customer Satisfaction for Over The Road, Pickup and Delivery and Vocational Segment Class 8 trucks. Kenworth’s home page is www.kenworth.com. Kenworth. The World’s Best.