Linde North America, a specialist in the design, construction and operation of hydrogen vehicle fuelling systems, has commissioned an installation at AC Transit, the bus operator for 13 cities in the East Bay Area, including Emeryville, Oakland and Berkeley, and also operates trans-bay service to San Francisco. The Emeryville hydrogen fuelling station, which is now fuelling 12 fuel cell buses and up to 20 passenger cars a day, is one of two Linde is supplying to AC Transit. The second, located at the Oaklan