Engines need a perfect ratio of air to fuel for optimal combustion, and too much of either comes with its own set of ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

Modern diesel fuels are designed to reduce emissions, but they also introduce some new challenges because the engine is ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

US producer of uncrewed aerial vehicles (UAVs) General Atomics Aeronautical Systems has completed durability testing on a new engine powered by heavy aviation fuel. The new powerplant, dubbed the ...

Swiss engine manufacturer WinGD has won the world's first orders for its dual-fuel ethanol engines for use on ocean-going ...