Oil changes may start going up. We've been talking about gas and diesel prices due to the war in Iran, but now there's another car cost that may start going up, and that's motor oil, according to experts. And they say because many of the base oils that make up your synthetic motor oil is stuck in the Strait of Hormuz, and industry experts are warning that could mean higher costs soon, or it could also mean that there are. Your options of those premium synthetic blends. Now, to be clear, this is not *** motor oil shortage story just yet. Nissan told us today they did send out *** bulletin warning there could be *** shortage of motor oil, but they have since retracted that bulletin, saying as of right now things are fine, but that could change quickly as things are fluid.