It’s not the most advanced or accurate way to measure an engine’s compression ratio, but, hey, it worked. Removing 1.25 ...

Overall though, the emissions from hydrogen combustion are far cleaner than ... there’s even potential to retrofit the cleaner-burning engine to old machines. To build the hydrogen engine ...

One of the most beloved internal combustion engines in American automotive history is coming back from the dead. Stellantis, ...

Audi, the latest brand to rethink its approach to a purely EV future, has announced that it will keep offering combustion engine models for longer than initially planned, as the market isn’t ...

While the brand had originally planned to cease development of internal combustion vehicles in 2026, with plans to transition to a fully electric lineup as soon as 2033, Audi now says it will ...

Global sales of combustion engine cars appear to have already peaked, according to recently released figures. Data from the International Energy Agency (IEA) and OurWorldinData show that non ...