The original concept of combustion engines as we understand them dates as far back as the late 1800s. And while they are more or less a solved science today, they definitely didn't start that way.
Opinion
Wealthy Driver on MSNOpinion

Internal combustion isn't dead: Why gas engines still matter

The electric vehicle revolution gets all the headlines, and perhaps for good reason. What nobody mentions is that the global internal combustion engine market was valued at around $280 billion in 2024 ...
As the automotive propulsion industry shifts toward electrification, the last-of-breed combustion engines are a stultifyingly similar bunch, focused around the same CAD-optimized 500cc cylinder ...
In case you missed it, the automotive industry has been on a steady trajectory of internal combustion engine (ICE) downsizing for years. Battery-powered electric vehicles may capture most of the ...