N issan’s original variable-compression powerplant is an absolute marvel of engineering. This little four-cylinder wonder is ...

The variable-compression ratio technology works as follows. Instead of just having a connecting rod between the crankshaft and piston head, there's now a multilink arrangement around the ...

Infiniti has revealed an engine concept this year, and it is of the variable compression kind. While not the first of its type as a concept, this motor might bring a new line of internal ...

Infiniti showed off a slightly updated Q50 yesterday at the Paris Motor Show, but nobody gave a damn because right next to it was this: the first ever production-ready variable compression-ratio ...

Infiniti's VC-T is the first variable compression-ratio engine to enter production.

One of the key variables for an internal combustion engine is its compression ratio. This is the ratio of the maximum volume within the cylinder (when the piston is at bottom dead center) and the ...

Now Porsche is working on just such an engine, revealed in the form of a newly-published patent, which will be able to alter its compression ratio.

GM has filed a patent application for a variable compression ratio engine, which can provide high power output when needed, and high efficiency when it's not.

After many years of research and development, the world’s first production-ready variable compression ratio engine is ready.

Here's a fascinating example: Infiniti is about to unveil the world's first production-ready variable compression ratio engine at this year's Paris Motor Show.

Infiniti is likely the first carmaker to put a variable-compression engine into production.

The Variable-Compression Engine Might Not Be the Holy Grail We Expected We were told this revolutionary engine would be the savior of internal combustion, but the numbers don’t quite add up.