Variable compression ratio (VCR) is a technology to adjust the compression ratio of an internal combustion engine while the engine is in operation. This is done to increase fuel efficiency …

A VC-Turbo engine uses a multi-link system in place of a traditional connecting rod to rotate the crankshaft, and an actuator motor changes the multi-link system endpoint in order to vary the …

Jan 31, 2018 · This turbocharged gasoline engine can switch compression ratios on the fly. Here's how it works—and how it achieves better power and efficiency.

Jul 16, 2018 · Infiniti's VC-Turbo is a turbocharged 2.0-liter inline-four that can operate at a very high compression ratio without knocking, thanks to the variable compression.

The VC-Turbo engine is nothing short of a revolutionary industry breakthrough. Utilizing an advanced multi-link system, the VC-Turbo is able to automatically adjust its compression ratio …

Dec 21, 2023 · "By using an adjustable crankshaft and actuator arm, this new engine can adjust its compression ratio, allowing for the perfect mix of horsepower and fuel efficiency," says Nissan.

Dec 18, 2023 · When Nissan unveiled the first mass-produced variable compression ratio engine back around 2016, there was a lot of buzz about what this engine could do. Cut to seven years …

Mar 14, 2025 · Engines run more efficiently at higher compression ratios, but the higher you go, the more you introduce the chance for detonation, when the air/fuel mixture is compressed so …

Feb 27, 2025 · Introduced in the 2019 Nissan Altima, this innovative engine technology allows for real-time adjustments to the compression ratio, optimizing the engine’s performance based on …

A variable compression ratio (VCR) engine is able to operate at different compression ratios, depending on the particular vehicle perform-ance needs. The VCR engine is optimized for the …