Original sentence: By far the most widespread type of /r/ today is the alveolar tap [ɾ] (identical to unstressed Standard Italian /r/).There used to be an alveolar approximant (English-like) /ɹ/ opposed to an alveolar trill /r/ (using the eighteenth century genoese spelling: caro ['kaːɹu] "dear" vs.carro ['kaːru] "cart"), but it is no longer heard in the city
Edited sentence: By far the most widespread type of  today is the alveolar tap  (identical to unstressed Standard Italian ).There used to be an alveolar approximant (English-like)  opposed to an alveolar trill  (using the eighteenth century genoese spelling: caro  "dear" vs.carro  "cart"), but it is no longer heard in the city