I have a ton of nice and not so nice NYC cab stories. Now I had to laugh my first time in a Clean Air Cab, because it smelled like smoke. I asked the driver what exactly was meant by "Clean Air". He was really kind though, charged me less than what the meter read, and was patient with me as I guided, or misguided, him to my new apartment. (I was still learning the neighborhood!) So except for the smell of smoke...