March 28, 2003

News Release: Awarded $18.9 Million from Government of Canada

Westport Innovations Inc. is pleased to announce that it has been awarded a strategic project investment of $18.9 million from Technology Partnerships Canada (TPC) to support the development of high-performance low-emissions engines. The funding was announced this day during a speech in Vancouver by the Honourable Herb Dhaliwal, Minister of Natural Resources, on behalf of Industry Canada.
This investment is conditionally repayable beginning in fiscal 2007. These TPC funds will contribute to approximately one-third of the research and development costs of Westport's vehicle programs over the next several years. 'We're honoured to be selected by the Government of Canada to be part of our country's Climate Change solution. This investment will allow us to develop and launch world-leading transportation solutions that will make a material impact on the environment,'said David Demers, Westport's President and Chief Executive Officer.

Westport Innovations Inc. is the leading developer of gaseous fuel technologies based on the diesel engine platform. The patented Westport- Cycle(TM) technology allows a new diesel engine to operate on a gaseous fuel, such as natural gas or hydrogen, while retaining the power and fuel efficiency of diesel. Operating with Westport-Cycle technology, a natural gas-powered, heavy-duty truck typically produces 60% less particulate matter and 40% less oxides of nitrogen, both of which are linked to lung diseases, and up to 25% less greenhouse gases than a similarly equipped diesel fuel engine.

Note: This news release contains forward-looking statements about Westport's business and technology development plans based on the current expectations of management. Westport cautions investors that due to risks and uncertainties, actual events may differ materially from current expectations.

CONTACT: TEL: (604) 718-2016 Alan Bayless, Director of Communications

Westport Innovations Inc.

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Web: www.westport.com

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