hellomato 發表於 2017-11-24 09:19
Those extra weights should come from the larger engines they are using (Cummins C-Series, 8.3L disp ...
The engine alone shall not make up 300kg difference, so regardless, the E400 is still a bit lighter ex-engine, maybe 100-200 kg something like that.
You picked up on the points about the E500H, but I think the failure has more to do with putting many of those buses on long distance express routes, the kind of services that serial hybrids are ill suited for. Just contrast this to what happened to the trial of the B5RLEH in Singapore... Whether they will be converted back to diesel power depends on how much the engineering change will be, but I imagine it will be a much greater undertaking that the twin-axle sisters. Given the number of buses involved is small, I guess they will just linger on until they can't go on anymore.
