Does my 1995 Saturn have to go through emissions?

Yes your baby will need a smog check.

Yes...every 2 years.

Yes, older car which is made more than 5 years ago? will require DEQ test every 2 years, i think, in OR

Yes... need to go

Every two years to get tabs

Yes it does.

Yes, any car newer than 1974, unless you live outside of deq boundary (rural)