running MTR Bus (previously known as KCR Feeder Bus) routes. Later a batch of 15 buses with Euro IV engines was ordered for delivery in 2009, they were first registered in April–August 2009. This was followed by another order for 9 buses in length which entered service in 2012. New World First Bus New World First Bus ordered 18 Enviro500 buses with Euro IV engine in early 2007. 17 buses entered service in early/mid-2008, another one (fleet number 5504) was shipped to Australia in March 2008, after body assembly, for demonstration in several cities between April and May 2008, it finally entered service in June 2008. In 2008 New World First Bus ordered 20 examples with Euro IV engines for delivery in 2009. They entered service in July–October 2009. A further batch of 20 similar buses with Euro V engines entered service in early 2010. In 2010, a batch of 24 buses with Euro V engines was ordered for delivery in 2010–2011. They entered service in January–May 2011. In 2011 New World First Bus ordered 13 12 m-long Enviro500s, all of them entered service in May 2012. These were followed by another 28 12 m-long buses which started to enter service in 2013. In 2020, 5 Enviro500s (5550-5554) were planned to be converted into open-top buses for tourist routes H1, H1A and H2. as of June 2020, only 5550 has finished the conversion process. Currently there are 123 Enviro500 buses in service with New World First Bus. CLP Group CLP Group ordered five Enviro500 buses with Euro IV engines for its staff shuttle bus service in 2008. The specification is similar with Citybus's Enviro500, but without wheelchair place and standees. They entered service in June 2009. Republic of Korea (demonstration only) Gyeonggi province test-ran a 79-seat with Enviro500 (North American version) between Seoul and its surrounding cities, which started in mid-November 2014. Europe United Kingdom First Glasgow ordered a batch of 25 Enviro500s. They have since moved to First Aberdeen to replace older buses. As of January 2018, the Enviro500 is no longer offered in the United Kingdom owing to poor sales. As of 2022, several Enviro500s have entered service with Kernow. Ireland Dublin Bus operate a number of Enviro 500s on the Volvo B9TL chassis, with a total of 70 bought across two batches between 2005 and 2007 with funding from the Department of Transport to increase capacity on