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Re:“Super Engine” may fundamentally change the way internal ... by userbinator on Friday February 26, 2016 @12:29AM (#11179946)
Longer chains still get you heavy fuel oils, tars, etc.

...and eventually that results in simple plastics like polyethylene, which is basically a very long chain hydrocarbon:

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

Re:“Super Engine” may fundamentally change the way internal ... by dredmorbius on Friday February 26, 2016 @12:54AM (#11180015)
Yep. I regret not having studied more chemistry in college. It's only started coming into context for me recently.