London's Enviro400

The Enviro400 was introduced in 2005 and has become a popular model among bus operators around the UK, as well as in Hong Kong. Initially available as a diesel, the model was adapted to a hybrid example known as the Enviro400 H. With a small change in body style introduced in 2009, Alexander Dennis Ltd relaunched the Enviro400 in 2014 as the Enviro400 MMC. A year later a third version was construc...