“Death of the internal combustion engine” is now a thing

ClunkersThe very first working four-cycle internal-combustion engine was invented by Niklaus Otto in 1876, and in due course it changed the world. A quarter of a century later, gasoline engines, steam-powered vehicles, and electric drive competed on an equal basis, but by 1915, it was clear the gasoline engine would triumph. The next 100 years brought...

How Mazda’s SkyActiv-X engine, based on HCCI, actually works (video)

Mazda HCCI engineEarlier this month, Japanese automaker Mazda laid out its future powertrain strategy and dropped a massive announcement in the process. In 2019, Mazda will introduce a gasoline-powered Homogeneous Charge Compression Ignition engine, dubbed Skyactiv-X, that the automaker promises will offer huge strides in efficiency and fuel economy. That means...

New engine development at German makers to end by 2025, says supplier

BMW engineContinental, a major supplier for automakers around the world, has come out with a bold prediction: internal-combustion engine development by German automakers will essentially end by the year 2025. The supplier, which makes exhaust-gas-cleaning systems for diesel cars and nitrogen oxide-measuring sensors, lists several factors contributing to its...

Combustion engines: high emissions from short commutes a huge challenge

Chrome exhaust pipeDrivers in the U.S. have longer commutes than those in Europe and Asia, on average. In the U.K., short commutes in vehicles with combustion engines—whether gasoline or diesel—pose particularly tough emission problems. That's because the exhaust aftertreatment systems have to warm up fully before they cut emissions to the levels...