What is gasoline direct injection and how is it different from traditional methods of getting fuel into your car's engine? Antuan Goodwin Senior Writer, Electrified Cars Antuan started out in the ...

Direct injection. Just about every car has it now, and those that don’t probably will in the next few years. It can add power, reduce emissions, and is a big part of why just about everybody is ...

Modern engines are cleaner and more efficient than the ones you grew up with, yet many drivers are discovering a new headache: stubborn carbon crust building up on intake valves. Understanding why ...