Direct-injection engines were introduced with a promise that sounded ideal: more power, better fuel efficiency, and cleaner emissions, all from a more precise way of delivering fuel. On paper, the ...

What is gasoline direct injection and how is it different from traditional methods of getting fuel into your car's engine? You may have read or heard one of your favorite Car Tech editors talking ...

Gasoline direct injection (GDI) engines have become prevalent in modern light-duty vehicles owing to their improved thermodynamic efficiency and lower fuel consumption compared with ...

A Kia driver stopped into an unconventional place to get an oil change—an Advance Auto Parts—and that kicked off a conversation about a certain kind of engine and the love that it might require.

Today’s engines face stress from heat, pressure, and carbon buildup. To get the power and gas mileage you expect, your engine needs to operate at its best. Shell V-Power® NiTRO+ Premium Gasoline ...

Until the early 1990s, many gasoline engine designs relied on carburetors to produce the fuel-air mixture needed to make the power that makes a car move. However, as the regulations around fuel ...

Direct injection engines deliver fuel at high pressure directly into the combustion chamber. When the fuel spray strikes surfaces such as the piston crown or liner, a thin liquid film forms. This film ...

Before the turn of the millennium, you wouldn't find many people complaining about carbon deposits on engine valves. However, all of that changed as gasoline direct injection (GDi) went mainstream in ...

Volkswagen's intelligent turbo design isn't too great for short-distance driving.