Cummins Westport Inc.

Cummins Westport Inc.
Westport Innovations Inc.

Westport Innovations Inc.

April 24, 2007 10:46 ET

Cummins Westport Receives Confirmation of 500 Unit Sale from Delhi Transport Corporation (DTC)

First Major Order for Cummins India-Manufactured B Gas International

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - April 24, 2007) - Cummins Westport Inc. ("CWI"), a leading provider of high-performance alternative fuel engines for the global market, announced today that Delhi Transport Corporation (DTC) has ordered 500 Tata low-floor buses equipped with the Cummins Westport B Gas International (BGI) engine rated at 230 bhp and running on clean burning compressed natural gas (CNG). These are licensed by Cummins Westport and manufactured by Cummins India Limited.

"This is our first major sale in India following the successful production launch of the B Gas International engine by Cummins India Limited," said Guan Saw, President of Cummins Westport. "The combination of the BGI low emission technology and strong local support from Cummins India Limited will provide DTC and Tata Motors Limited with reliable products and service for many years to come."

CIL Chairman and Cummins Vice-President, Anant Talaulicar said: "CIL started local production of BGI natural gas engines in 2006 at CIL's state-of-the-art Daman facility in Western India. This order is a fitting market launch of the BGI natural gas engine in the local bus market."

About the Cummins Westport B Gas International (BGI)

The Cummins Westport B Gas International is a 5.9-liter six-cylinder natural gas engine that builds on the rugged, reliable design of Cummins diesel and natural gas engines, particularly the venerable B Gas Plus. The BGI delivers robust, dependable power from 150 to 230 hp with low emissions and proven reliability. It features enhanced controls, plus full-authority electronics that include a programmable Electronic Control Module (ECM) that sets engine operating parameters and provides for road speed governing, engine protection and complete self-diagnostics. The BGI provides excellent torque, high fuel efficiency, and uncompromising performance. More information about the BGI can be found at:

About the Delhi Transport Corporation (DTC)

Delhi Transport Corporation (DTC) is one of the main public transport operators of Delhi and operates over 3,000 CNG buses on 773 routes throughout Delhi and surrounding areas. Delhi operates one of the largest CNG bus fleets in the world. Air quality in New Delhi has improved dramatically since a Supreme Court order in 2002 mandated the city's entire bus fleet to convert to cleaner-burning CNG.

About Tata Motors

Tata Motors is India's largest automobile company, with revenues of US$ 5.5 billion in 2005-06. With over 4 million Tata vehicles plying in India, it is the leader in commercial vehicles and the second largest in passenger vehicles. It is also the world's fifth largest medium and heavy truck manufacturer and the second largest heavy bus manufacturer. Tata cars, buses and trucks are being marketed in several countries in Europe, Africa, the Middle East, South Asia, and South East Asia and in Australia.

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). 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 $715 million on sales of $11.4 billion in 2006.

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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