Should your fleet start fitting bypass filters? Bypass filters have long been the standard way of cleaning engine oil. But in recent years, the marketplace has seen new technologies from upstart ...

Last month I discussed how oil doesn’t wear out but needs changing only because it becomes too contaminated to do its job. Changing oil at an arbitrary mileage points to only two scenarios, both bad: ...

Oil changes are a key part of regular maintenance on your car, but the process involves more than just changing the oil. You'll also change your oil filter. All oil eventually gets dirty as it moves ...