Hybrid Double-Decker Buses Debut in London

Travel Blog  •  Michael Yessis  •  07.09.09 | 2:30 PM ET

Photo by Paleontour via Flickr (Creative Commons)

Six of them are now in use on Route 141. The city will assess just how much fuel and money it can save with the buses before expanding the fleet. (Via @joannakakissis, @ecogeek)