Cummins Westport Receives Order for 52 Engines for Santa Monica's Big Blue Bus

VANCOUVER, British Columbia--July 6, 2004--Cummins Westport Inc. (CWI) (TSX:WPT) today announced its C Gas Plus engine has been selected by Big Blue Bus, the transit operator in Santa Monica, California, for an order of 52 buses.

The CWI natural gas engines will be installed in 40-foot, low-floor buses manufactured by New Flyer for delivery late this year. The order also includes an option for an additional 20 units.

Santa Monica's Big Blue Bus is working to create a "cleaner, healthier, more livable place" by investing in low-emissions buses and other energy-saving equipment. After delivery of this order, Big Blue Bus will have more than 48% of its fleet operating on lower-emissions fuels such as natural gas.

"We are pleased to add Santa Monica to the growing list of North American cities using CWI engines in their buses," said Gordon Exel, VP of American Sales for Cummins Westport. "CWI's leadership in the North American transit market for low-emissions engines is now showcased in such large US cities as Los Angeles, Boston and Washington DC."

Cummins Westport Inc., a joint venture of Cummins Inc. and Westport Innovations Inc. (TSX:WPT), develops and markets low-emissions, alternative fuel engines manufactured by Cummins. Cummins is a global power leader in engines, electrical power generation systems and related technologies. Westport Innovations is the leading developer of clean natural gas- and hydrogen-fueled engines.