known for years for its operation of former London Transport double-decker buses) ordered two Enviro500 which were delivered in early 2010; these are the first batch of Enviro500s with the bodywork assembled by ElDorado National. SLO Transit ordered one Enviro500 which entered service in late 2010. Hele-On Bus introduced one 12.8m Enviro500 in the first half of 2011. Oceania Australia An Enviro500 with Kiwi Bus Builders bodywork was unveiled in 2011. This bus was the first Enviro500 with bodywork constructed by other bodybuilders, it was built for Rockleigh Tours in Melbourne. The chassis was narrowed to comply with Australian Design Rules. See also List of buses Competitors BCI Enterprise Neoplan Centroliner Wright Eclipse Gemini Wright Explorer References External links Product description in Alexander Dennis official website Enviro500 Double-decker buses Hybrid electric buses Low-floor buses Open-top buses Tri-axle buses Buses of Canada Buses of the United States