Despite the turbulence Nissan has faced over the past few years, some of its technology is undeniably impressive. Perhaps the crowning jewel of this engineering power is its variable compression engine, one of the most technically advanced passenger car ...

Nissan brought the first, and only, variable-compression engine to market. But its future doesn't look bright. Complexity in cars is a funny thing. It’s tempting to say that it’s all bad, that more is always less, but complexity has given us the ...

Over the course of a round-table discussion and a separate private interview with Alain Raposo, Alliance global vice-president, powertrain and EV engineering and Shinichi Kiga, chief powertrain engineer, gas engine group, we now know as much as these guys ...

Another week, another luxury crossover revealed. This time around, Infiniti has shown off its 2019 QX50 sporting a new design, sitting on a new platform, and rocking the firm’s new, variable compression ratio engine—the very first production car in the ...

When the next-generation Infiniti QX50 crossover arrives next year as a 2019 model, it will be powered by a 2.0-liter turbocharged four-cylinder engine introducing a technology never seen before in a regular production vehicle: variable compression.

Turbocharging has mostly not lived up to its billing of being the savior of internal-combustion engine technology. Earlier this decade, facing increasing fuel economy requirements, automakers rushed to boost fuel economy by adding turbochargers to lots of ...

The Porsche-Hilite technology is comparatively simple, and could be offered to every automaker if and when VCR comes to market. Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on ...

An interesting patent has been filed by Toyota for an engine with variable compression. The patent is for an engine with variable length connecting rods. The connecting rod features two hydraulic cylinders at the top, which use a check valve, switch pin ...

Nissan's innovative variable compression engines were a fascinating innovation when they were first revealed, but the jury is still out on whether or not the combustion technology will stick around. A June 2025 recall filed with the National Highway ...

Along spell of quiet had fallen upon the swirls of speculation we'd been hearing a few years ago about Porsche's rumored mid-engine 960 supercar, but that's all changed with fresh rumblings from England'sCar.While the rumor confirms much of our earlier ...