Combine milk and vinegar in small bowl. Set aside to clabber.
Put sugar in mixing bowl.
Addoil, egg, vanilla, salt and soda.
Mix with electric mixer till well combined.
Add flour, and milk/vinegar mix, beat with electric mixer till well mixed.
Add rhubarb and mix with electric mixer.
Put in 2 greased loaf pans and bake 50 minutes till lightly browned.
Let cool in pans on wire rack.