grammar problems

[Sandra Leung]

I would like to know whether the following sentences are right or not.

" Travelling by bus is clean.or Buses are clean.
Travelling by tram is old-fashioned or Trams are old-fashioned."

I am looking forward to having the answers. Thanks a lot.

Sandra

[Casiopea]

Travelling by bus is clean. It means, Doing this is clean. (Odd)
Buses are clean. (OK)
Travelling by tram is old-fashioned. (OK)
Trams are old-fashioned. (OK)