For a dual-purpose car, engine oil needs to be at least 220 degrees F to burn off all the deposits and accumulated water vapor. For every pound of fuel burned in an engine, the combustion process also ...

Most of us aren't watching our oil pressure like we do our social feeds — but maybe we should. Oil is your engine's lifeblood, and oil pressure is like blood pressure. If it drops too low or spikes ...

Cars under warranty shouldn't burn oil. And most don't. But Consumer Reports' 2014 Annual Auto Survey found that several auto manufacturers are building engines—available in a number of widely sold ...