Leaning the mixture is an underutilized technique for pilots to significantly improve fuel economy, extend flight endurance, and prevent engine issues like spark plug fouling. Proper leaning optimizes ...

Where does the ideal air/fuel ratio come from? What makes 14.7:1 the ideal air fuel ratio for gasoline combustion? This video ...

OBJECTIVE: Wet flow, pressure excursions, port volume, runner length, plenum volume—all these figure into an engine's overall efficiency. But there's more… Sometimes theory is neat, but sometimes it ...

In Part One of this series (January '93), we discussed how an internal-combustion engine heats a fuel-and-air mixture to convert it into mechanical energy. In February, we reviewed how a four ...

REDSTONE ARSENAL, Ala. -- Recent flight testing on a Black Hawk helicopter at Redstone Arsenal proved to engineers Matt Boenker and Dale Cox something they already believed in - a U.S. helicopter can ...

Try using your seat and steering wheel warmers instead of the heater. Warm up your car before you get in with your EV’s app.