I remember reading about HCCI engines in 2009

Kinja'd!!! by "Arch Duke Maxyenko, Shit Talk Extraordinaire" (arch-duke-maxyenko)
Published 08/08/2017 at 15:14

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Kinja'd!!! "RamblinRover Luxury-Yacht" (ramblininexile)
08/08/2017 at 15:20, STARS: 0

I remember reading up on the HCCI engine concept in 2003, I think, though that wasn’t the well-known nomenclature yet.

Kinja'd!!! "HammerheadFistpunch" (hammerheadfistpunch)
08/08/2017 at 15:22, STARS: 1

I member this

Kinja'd!!! "bhtooefr" (bhtooefr)
08/08/2017 at 15:28, STARS: 0

And HCCI engines have technically existed for many decades - there are “diesel” model airplane engines that are actually HCCI.

Kinja'd!!! "sony1492" (sony1492)
08/08/2017 at 15:31, STARS: 0

Some fly by wire throttle cars have a mode in which the throttle remains open while rpm is controlled via fuel. If I remember correctly this is to reduce pumping losses, probably increases mileage by running very lean

Kinja'd!!! "Cé hé sin" (michael-m-mouse)
08/08/2017 at 15:56, STARS: 0

Weren’t Mercedes working on the “Diesotto” engine too?

Kinja'd!!! "Highlander-Datsuns are Forever" (jamesbowland)
08/08/2017 at 16:02, STARS: 0

The mazda mellinia was a miller cycle engine, so this is not to surprising.

https://en.wikipedia.org/wiki/Miller_cycle