The 2/4SIGHT engine concept uses novel combustion, boosting, control and valve actuation technologies to enable automatic and seamless switching between two- and four-stroke operation.
yaris.ie
An advanced control system coupled with flexible valve actuation enables smooth transitions between two- and four-stroke operation without torque interruption.
The research prototype engine is based on a single bank of a 2.1 V6, intended to deliver levels of performance and driveability more usually associated with a 3.5 V8 petrol engine.
volkswagen.ie
