sentence: Secondly , public transport is more ecological and less polluting for the environment , because it produces less polluting emissions , and many public vehicles use green energy , such as electricity or gas .
modified: Secondly , Public transport is more ecological and less polluted with the enviromment , so as it is producing less polluted fume , and many of them use green energy , such as electricity or gas .
transformation: ORTH, VERB:FORM, PREP, SPELL, OTHER, VERB:TENSE, VERB:FORM, NOUN, OTHER