Research may Pave the Way for Using Viable Alternatives to Fossil Fuels in Internal Combustion Engines

Small-displacement turbocharged internal combustion engines can experience "knock" without suffering lasting damage. Knock happens when the fuel ignites earlier than expected. Much more damaging is "super-knock." Unlike normal knock, super-knock is caused by a detonation wave due to a feedback loop between the heat release associated with the flame and pressure inside an engine cylinder.

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