Prototype 2-&-4-stroke 2.1L V6 Engine Promises 27% Fuel Savings Over an a 3.5L V6 with Equivalent Output

In collaboration with a series of automotive partners that include DENSO, Ma 2T4 and the Universities of Brunel and Brighton, Ricardo today announced the completion of an advanced prototype gasoline engine concept called 2/4SIGHT. This innovative engine utilizes a series of solutions to enable automatic switching between two- and four-stroke operations, with the aim of combining significant fuel