Automotive fluids are rather gross and toxic, and brake fluid is among the worst of them. Glycol-based brake fluid (DOT 3 or 4), used in the vast majority of cars, can act like paint thinner if ...

Unlike the elusive and oft-memed blinker fluid, brake fluid actually exists. Even more than that, it's one of the more important components of vehicular safety. As the name implies, it's a fluid that ...