Driven by diesel or "clean and green", the 21st Century Routemaster bus is making drivers see red. But while mayoral hopefuls hop on board to join the row, transport bosses say they're on the right road.
I'm told that at the back of a bus depot, there is a large pile of power batteries that no longer work.
All have been removed from the new bus for London and are a crucial part of the hybrid system.
Drivers say that many buses across London are operating without them in place.
That means in some cases what Transport for London (TfL) claims is "the most environmentally friendly bus of its type" is running only on diesel.
Acela 21 (Avelia Liberty) development, testing and deployment (2Q 2024)
A couple of questions from a first time future train traveler
