As PopMech’s autos editor, I obviously consider myself a car guy. But when it comes to two wheels, the capabilities of modern motorcycles astonish me. We now have road-legal bikes that produce over ...

If you’ve looked at dirt bikes, you’ve probably seen some with simple, straight exhaust pipes, and others with weird, bulging ...

The German automaker sees your four-stroke engine and raises you... two more strokes. Ready for some math? Porsche just ...

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 ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...

Years ago, the choice was clear: When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time. Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, ...

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. Mazda’s SkyActiv-X engines ...

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 ...