We may receive a commission on purchases made from links. We can't blame you for selecting the DIY route in cleaning the engine bay. Professional work can cost $100 to $400, which is quite a chunk of ...

Many years ago I foolishly drove a car at least 25,000 miles without changing the oil. I guess I figured I’d wait until the red light on the dashboard lit up, and then I’d know I needed fresh oil.

THIS paper describes the background, operation, and results of a series of 50,000-mile low-duty service tests on motor oils. Comparisons of engine cleanliness and wear are presented in oils ranging ...

As farming counties start shutting the doors to Orange County’s exported sewage sludge, local planners are counting on making the solid gunk cleaner, a process expected to carry a price tag of eight ...