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 ...

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 ...

Swiss marine power company WinGD and marine engine manufacturer Hanwha Engine have produced the world's first X72DF-2.2 VCR engine equipped with Variable Compression Ratio technology. This ...

Nissan made a lot of noise when its variable-compression turbo engines hit the market a few years back, snagging awards and headlines left and right. However, those two power plants—the 1.5-liter ...

The new Infiniti VC-Turbo engine (code-named KR20) is chock-full of interesting details that come with its variable-compression-ratio trick. Click on through to demystify the unique operating ...

Putting into production an engine with a variable-compression ratio has been an elusive goal since the first patent for one was filed in 1928. Now, after nearly 100 years of failed experiments and ...

On the 29th, Hanwha Engine, a specialized manufacturing corporation for ship engines, announced that it has successfully produced a variable compression ratio (VCR) engine for liquefied natural gas ...

Something I've been kicking around for a while, and wanted to get opinions on: Is there a reason we can't use variable intake valve timing to "optimize" engine operation for E85 operation, while still ...