Mineral oil vs DOT brake fluid: What's the difference and which one should you use

Can't decide whether to use mineral oil or DOT brake fluid? Here are the differences between the two, and the impact they can ...
The Providence Journal

Need to add brake fluid could be sign of a leak

Q I drive a flower delivery truck (Ford Transit Connect) and check all the fluids before I start my route. When the brake fluid is low, I bring it to the local garage and the mechanic always tells me ...