Avadi claims a 42.12% brake thermal efficiency as well. To put that in context, Toyota celebrated a breakthrough when its 2.5-liter, 4-cylinder A25K-FKS engine got to 39% thermal efficiency, and ...

It is quite ironic that internal combustion engines (ICEs) have remained basically the same for more than one hundred years. It is only now – when they are allegedly on the verge of disappearing – ...

As the industry’s transition to electrified vehicles continues, albeit at a slower pace, you wouldn’t think many would be working on developing more sophisticated internal-combustion engines. Oh, to ...

Even as companies continue to develop renewable energy sources designed to reduce the world's reliance on fossil fuels, we are likely still decades away from phasing out the internal combustion engine ...

US engineering company Avadi has come up with a new single four-stroke piston engine that runs without valves and is as frugal on fuel as a diesel. At 42%, the Avadi MA-250 engine has an efficiency on ...