Westport Announces New Funding for Hydrogen Bus Demonstration

VANCOUVER, British Columbia--April 4, 2005--Westport Innovations Inc. (TSX:WPT) today announced that it and a consortium of partners led by Sacre-Davey Innovations Inc., have been awarded approximately $6 million by the Government of Canada to develop and demonstrate hydrogen technology in energy and transportation applications.

This new funding award relates to a previously announced Vancouver-based demonstration of public transit buses fueled with compressed natural gas (CNG) and hydrogen-enriched natural gas known as HCNG. Further details about this project and partners will be disclosed at a later date.

Westport Innovations Inc. is the leading developer of environmental technologies that allow engines to operate on clean-burning fuels such as natural gas, hydrogen, and hydrogen-enriched natural gas (HCNG). Westport has technology development alliances in place with Ford, MAN, BMW, and Isuzu, as well as an ownership interest in Clean Energy, the largest provider of vehicular natural gas in North America. Cummins Westport Inc., Westport's joint venture with Cummins Inc., manufactures and sells the world's widest range of low-emissions alternative fuel engines for commercial transportation applications such as trucks and buses.