Cummins Westport Inc.

Cummins Westport Inc.
Westport Innovations Inc.
TSX : WPT

Westport Innovations Inc.

March 30, 2006 14:04 ET

Cummins Westport Secures Order for 278 CNG Engines in Russia

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - March 30, 2006) - Cummins Westport Inc. ("CWI"), a leading provider of high-performance alternative fuel engines for the global market, announced that Russian Buses, of Moscow, Russia has ordered 278 Cummins Westport C Gas Plus natural gas (CNG) engines.

"This is the first major order of Cummins Westport natural gas engines by a CIS Original Equipment Manufacturer," stated Alexei Ustinov, Cummins Russia ABO Head. "The first prototype natural gas engine was delivered to the OEM, LiAZ in 2003. Currently, there are 7 prototype buses of various models which will be operating in a number of Russian cities."

"This is one of Cummins Westport's largest orders since its inception and the largest in Europe," said Guan Saw, President of Cummins Westport Inc. "Russia is a fast growing market for CNG vehicles and this order represents a great endorsement of CWI's products and support. We want to also acknowledge the great work of the team at Cummins Russia in securing this important order."

The C Gas Plus CNG engines will be installed in LiAZ-5256 (250hp) and LiAZ-6212 (articulated, 280hp) buses and will exclusively transport workers to and from the AutoVAZ car manufacturing plant located in Togliatti, Samara region, 1,000 km from Moscow. AutoVAZ is the largest car manufacturer in Russia. The plant in Togliatti produces more than 700,000 cars annually.

More information about the C Gas Plus: http://www.cumminswestport.com/products/cgasplus.php

About Russian Buses

Russian Buses is the largest manufacturer of buses in Russia. It manufactures buses under the LiAZ, PAZ, GoIAZ and KAVZ brand names. It is a division of RusAutoProm, a conglomerate whose businesses are engaged in manufacturing of buses, small and large trucks, cars, road-construction equipment, loaders, diesel and gasoline engines, and fuel instrumentation. http://self.bus.ru/eng/.

About Cummins Inc.

Cummins Inc., a global power leader, is a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems. Headquartered in Columbus, Indiana, (USA) Cummins serves customers in more than 160 countries through its network of 550 Company-owned and independent distributor facilities and more than 5,000 dealer locations. Cummins reported net income of $550 million on sales of $9.9 billion in 2005. Press releases can be found on the Web at www.cummins.com.

About Cummins Westport Inc.

Cummins Westport Inc., a joint venture of Cummins Inc. (NYSE:CMI) and Westport Innovations Inc. (TSX:WPT), manufactures and sells the world's widest range of low-emissions alternative fuel engines for commercial transportation applications such as trucks and buses. Westport Innovations is the leading developer of technologies that allow engines to operate on clean-burning fuels such as natural gas, hydrogen, and hydrogen-enriched natural gas (HCNG). www.cumminswestport.com.

Note: This document contains forward-looking statements about Cummins Westport's business, operations, technology development or to the environment in which it operates, which are based on Cummins Westport's estimates, forecasts and projections. These statements are not guarantees of future performance and involve risks and uncertainties that are difficult to predict, or are beyond Cummins Westport's control. Consequently, readers should not place any undue reliance on such forward-looking statements. In addition, these forward-looking statements relate to the date on which they are made. Cummins Westport disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.


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