Driver on greyhound bus number 86936 approximately 0100 hours left the emergency hatches open when it's 46 degrees outside. Driver Taveras was asked several times in Buffalo NY to close them. Customers were getting cold. Driver refused to close hatches. The driver got into a arguement with another customer. Driver Taveras lacks professionalism and candor. He is disrespectful. In Buffalo NY he got into an argument with 2 females. His anger carried over to Syracuse NY where he was asked again to close the emergence hatches again and he refused.