We love ourselves a good oddball engine, and tiny, scrappy Mazda certainly must be responsible for more such engine concept patents per market-capitalization dollar than any other. We just discovered ...

Making a new engine while the world’s rushing to switch to electric vehicles only? Mazda said, “why not?” There’s a new innovator in town and it wants you to pay attention. Follow us: Mazda’s SkyActiv ...

The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight packages. Unfortunately, gas two-strokes also burn oil by design, making them ...

If you’re shopping for a new fishing boat or an outboard motor to power it, one of the decisions you’ll have to make is between a 2 stroke vs 4 stroke engine. Unless you’re going electric, this choice ...

Traditional Two-Stroke Engine Issues A traditional two-stroke engine has the piston pushing down after firing, moving past an exhaust port and allowing the exhaust gases to leave the chamber.

Harry has been writing and talking about motorcycles for 15 years, although he's been riding them for 45 years! After a long career in music, he turned his hand to writing and television work, ...

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 it different from other engines.