London's Big Red Double Decker Bus Reincarnated with Green Tech

It was one of the pledges of his electoral campaign, and now London Mayor Boris Johnson has made good on his promise to bring back the Routemaster, London's iconic red double-decker bus. However, this is not just a return of the diesel-chugging monster that contributed to London's smoggy reputation, but a cleaner, greener--and a damn sight dearer--model. And today, the new design, complete with new-generation hybrid engine, was unveiled to the general public.

"This iconic new part of our...