In message , at 11:13:20 on Mon, 2
Jun 2008, R.C. Payne remarked:
I was walking round Zurich, and after an hour or so, it occured to
me: I had not seen a single diesel bus. Fist fulls of electric
trams, a smaller number of electric trolleybuses, but not a single
IC engined bus.
Maybe you were very near the centre? In Geneva they have trams and
trolleybuses, but not a very large number of routes for them. All the
remaining stuff has to be filled in by conventionally powered buses.

I was mostly in the central area, but all those trams had to be going
somewhere, and there were seriously large numbers of them. I'm sure
out in the suburbs there are diesel buses, presumably acting as feeders
to the trams and big trains, but none of those routes penetrated the
centre.

The Geneva tram and trolleybus lines are only a couple of miles long,
and there's plenty of filling-in needed.
--
Roland Perry