Hyundai is facing fresh legal scrutiny from drivers who say their engines are failing just as the odometer approaches 79,000 miles, well before most owners expect a major powertrain breakdown. The ...

On paper, Nissan's variable-compression turbocharged engine should have been pretty awesome. Since it could change its compression ratio on the fly, it promised the power of a bigger engine when you ...

Many years ago, my dad bought a used car and, within a short time, discovered there was a major problem with the engine because the prior owner hadn't changed the oil. The severe engine damage meant ...