Looking at future engine trends from international engine ratings

As one of the best engine awards in the world, it has professional media people, engine experts and other judges from dozens of countries around the world. These people's opinions can basically represent the world, but this also happens to have some problems: First of all, why are many mainstream high-tech engines that are rumored to be god-level difficult to win? What kind of engine does the International Engine Awards think is "falling roar"?