It is hypocrisy because these trips are official ones, so they are essentially paid by us (the citizens). And these are the bureaucrats telling us to use clean

It is hypocrisy because these trips are official ones, so they are essentially paid by us (the citizens). And these are the bureaucrats telling us to use clean vehicles. It is not hypocrisy in the sense you state, certainly. It is the governmental one (do as I force you, not as I do with your money).