Marine ammonia-fueled engines are primarily categorized into three types: intake pipe injection, low-pressure direct injection (LPDI), and high-pressure direct injection (HPDI). In intake pipe ...

Schematic of the proposed pneumatic propulsion with multi-option for connectivity, be it grid and/or renewable energy connectivity. Scientists say they have created a methodology that could replace ...

Modern diesel submarines seem to break a basic rule of engines: they keep moving underwater even though diesel power needs oxygen. The trick is that these boats are really two propulsion systems in ...