I remember reading about HCCI engines in 2009

"Arch Duke Maxyenko, Shit Talk Extraordinaire" (arch-duke-maxyenko) 08/08/2017 at 15:14 • Filed to: None

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RamblinRover Luxury-Yacht > Arch Duke Maxyenko, Shit Talk Extraordinaire 08/08/2017 at 15:20

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

HammerheadFistpunch > Arch Duke Maxyenko, Shit Talk Extraordinaire 08/08/2017 at 15:22

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I member this

bhtooefr > Arch Duke Maxyenko, Shit Talk Extraordinaire 08/08/2017 at 15:28

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

sony1492 > Arch Duke Maxyenko, Shit Talk Extraordinaire 08/08/2017 at 15:31

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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

Cé hé sin > Arch Duke Maxyenko, Shit Talk Extraordinaire 08/08/2017 at 15:56

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

Highlander-Datsuns are Forever > Arch Duke Maxyenko, Shit Talk Extraordinaire 08/08/2017 at 16:02

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

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