Nissan ’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...

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

Porsche has received a patent on a new form of the variable-compression-ratio engine. This would be especially useful with turbocharged engines that today run at lower compression ratios, to avoid ...

If you know much about how engines work, the idea of a variable compression ratio seems almost crazy.

It is the first variable compression engine to reach full production. The company spent 20 years developing the variable-compression-ratio technology and filed more than 300 patents on the design.

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 ...

F. G. Wirbeleit, K. Binder, D. Gwinner, Development of Pistons with Variable Compression Height for Increasing Efficiency and Specific Power Output of Combustion Engines, SAE Transactions, Vol. 99, ...

Analysis by automotive technology specialist Prodrive has demonstrated the ability of the Gomecsys GoEngine variable compression ratio concept to deliver a 40% improvement in fuel economy without ...

An SAE paper from 1964, A Variable Compression Ratio Engine Development, details a handful of approaches to achieving variable compression.

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.

Allowing for a continuously variable compression ratio and impressive power and efficiency thanks to the addition of a turbocharger, it’s previously only been seen as a 2.0-liter four-cylinder ...