Assertion: burning fuel | /r/Desires | lower compression ratio
Facets:
value: for uniform fuel-air mixing
type: PURPOSE
value: for optimum vaporization
type: PURPOSE
Source sentences:
text: They run best on lower-octane, slower-burning fuels that require less heat and a lower compression ratio for optimum vaporization and uniform fuel-air mixing, with the ignition spark coming as late as possible in order to extend the production of cylinder pressure and torque as far down the power stroke as possible.