Inline and V engines dominate modern combustion vehicle design. Each layout offers unique advantages in packaging, smoothness, cost, and performance. Here is how the two configurations differ and why ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

An exhaust note helps give a cars its personality, and what that personality is has a lot to do to the type of engine it has. Toyota has released a helpful explainer on why that is. It starts with the ...

Over the past few years, truck and engine makers have generated a lot of buzz around developing zero-emission drivetrains to help meet climate and sustainability goals. Traditional OEMs and tech start ...

For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not powered ...

Production cars have come a long way since the invention of the combustion engine, and car manufacturers have always sought to innovate and push the limits of what is possible. An area of particular ...

Writer and occasional reluctant perpetrator of engine swaps, James O'Neil is a malaise era enthusiast and also fascinated by the many ways the auto industry has since recovered from those dark days.

Car and truck makers see hydrogen internal combustion engines as a tool to attack carbon emissions and leverage much of the industry's existing technology, expertise and supply chain. But California's ...