# Hybrid Alternatives - HCCI

**URL:** <https://forums.speedlife.net/t/hybrid-alternatives-hcci/47891>\
**Category:** NYSpeed Automotive\
**Created:** [May 4, 2008, 3:59pm UTC](https://forums.speedlife.net/t/hybrid-alternatives-hcci/47891 "2008-05-04T15:59:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![RuBiCaNT](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/rubicant/32/7622_2.png) [@RuBiCaNT](https://forums.speedlife.net/u/RuBiCaNT)\
**Post date:** [May 4, 2008, 3:59pm UTC](https://forums.speedlife.net/t/hybrid-alternatives-hcci/47891/1 "2008-05-04T15:59:52Z")

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[http://www.popularmechanics.com/automotive/new\_cars/4261288.html?series=19](http://www.popularmechanics.com/automotive/new_cars/4261288.html?series=19)

Theoretical 25 -30% more efficient than tradition spark-generated combustion.

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**Author:** ![JayS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jays/32/15375_2.png) [@JayS](https://forums.speedlife.net/u/JayS)\
**Post date:** [May 4, 2008, 4:32pm UTC](https://forums.speedlife.net/t/hybrid-alternatives-hcci/47891/2 "2008-05-04T16:32:41Z")

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![http://media.popularmechanics.com/images/gm-hcci-research-630.jpg](http://media.popularmechanics.com/images/gm-hcci-research-630.jpg)

Looking at that picture makes me wonder about how close they really are to putting this in a car. If that’s not 80% testing equipment that car is going to need to be pretty big.

Cool technology though. Surprised GM has any research money left for stuff like this with the blank check they’ve given the Volt development team.