Mazda’s New Skyactiv-X Engine…..
Barrie Yates sent this link to an article about Mazda’s development of the internal combustion engine. Some development work on this principle was carried out in the Thermodynamics Laboratory of the University of Leeds. Here is the link:- https://spectrum.ieee.org/transportation/efficiency/mazdas-new-skyactivx-engine-gives-new-life-to-internal-combustion