In the fuel tank.
Fuel filter\regulator is on top of the fuel pump. It does not need regular servicing.
In the fuel tank with fuel pump. You should not have to change the filter.
It is in the tank, part of the fuel pump module.
It is part of the pump module inside the fuel tank.
Yes.
It is inside the fuel tank and the filter as well, both serviceable as one unit and located inside the tank.
I own a 2002 Dakota and the fuel pump and fuel filter is located in the gas tank I would assume the same for a 2000 Dakota
No inertia switches on Dodges
In the tank.
It is in the Magnum series of fuel injected truck engines.
fueleconomy.gov
Usually about 70 Liters/18.5 US gallons.