Barring the smallest manned airplanes, most aircraft that are pulled around by a prop have variable pitch propellers. The reason for this is simple efficiency. Internal combustion engines are most ...

Electrification is seen as having an important role to play in the fossil-free aviation of tomorrow. But electric aviation is battling a trade-off dilemma: the more energy-efficient an electric ...

The aviation industry is a major contributor to carbon dioxide (CO2) emissions, as it is currently estimated that airplanes discharge approximately 100 times more CO2 per hour than a public bus or ...