
Why Motor Oil Breaks Down Faster in City Driving — and Why You Should Change It Twice as Often
Motor oil doesn’t last forever — and it degrades especially quickly when your vehicle is exposed to heavy operating conditions.

How Far Can You Drive When the Oil Light Comes On?
Every driver knows that heart-stopping moment: a mysterious little oil-can icon lights up on the dash. “It’s just the oil light,” you think. But in reality, it’s an SOS from your engine.

What Happens if You Pour Oil Into an Engine Without Manufacturer's Approval: Examining the Dangers of Counterfeits
Oil without approval—cheap and available. But what lies behind the attractive price? And is it worth risking your engine for a few saved coins?