The INNengine e-Rex is tiny and can change compression ratios in the blink of an eye. But that's just the start of what makes ...

Any oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely new combustion concept. "Not a four-stroke, not a two-stroke, a revolutionary ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...