Your car's engine needs a very specific diet of air and fuel to do its job, and it's the fuel pressure regulator's (FPR) job to feed it the right amount. The gadget is relatively tiny and can fit in ...

A good scuba regulator is a vital part of any dive gear, reducing the high pressure combination of helium, nitrogen, and oxygen in the tanks so it’s breathable by the diver. Not all regulators are the ...