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Old 09-15-2017, 04:59 PM   #1 (permalink)
hayden55
Master EcoModder
 
Join Date: Dec 2010
Location: USA
Posts: 1,170

Sport Utility Prius - '10 Toyota Prius II
90 day: 52.98 mpg (US)

300k Sequoia 4WD - '01 Toyota Sequoia Limited 4wd
90 day: 20.19 mpg (US)
Thanks: 352
Thanked 265 Times in 212 Posts
Mazda Sky Active X! (HCCI gas engine: compression & spark ignition)

Anybody else excited to see the new Mazda sky active x implementation? Mazda predicts a 30%+ fuel economy gain over current sky active G engines and it makes more horsepower similar to a 2.5 vs a 2.0. What is really curious is that under light load condition it runs on lean compression ignition, but under high load it swaps to spark ignition. I hear similarities to a new and improved vtec-e. Thoughts?

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