When will the hellcat engine finally go into production?

The Hellcat Engine is a high performance diesel engine from Rolls-Royce.

Built by Rolls-Hampton for the U.K. government in the early 1980s, it has since gone on to become a world-beating contender in the world of high-performance, fuel-efficient diesel engines.

But now, at least according to an article by the Daily Mail, Rolls-Hammock has decided to finally make a Hellcat in the U