Euro5/6 Diesel or do you prefer petrol?

We had to buy a petrol truck, but my environment meant from 12,000km a year the diesel is worth more, especially if you drive longer distances on holiday. I am a bit scared about the driving bans. Do you think that really strict driving bans come or that this is mainly money making? My mother is severely disabled and would have to go to the city from time to time (doctor etc.). As far as I know she wouldn’t have to pay taxes for the car. Auto must be automatic and sol I would not necessarily drive by car every day, as I usually travel by scooter in the city. In winter there would be the way to school (15km/15km) and possibly shopping trips throughout the year and to friends depending on the distance 15km/15km. In addition, spontaneous rides would come. Long distances (1000km+) would probably be driven 5 times or so. My problem is that the petrol engine in the city, as well as outside of the city, would have room for a wheelchair. h much consumption. My mother has driven a Prius hybrid for a long time, but he had too little power on longer distances. I am a bit confused and desperate at the same time. What would you recommend ?