Sentences with phrase «reduces unburned hydrocarbon»

The included valve angle is 35 degrees, to decrease the surface - to - volume ratio of the combustion chambers and help create a flatter, more compact combustion chamber that reduces unburned hydrocarbon emissions.

The narrow valve angle decreases the surface - to - volume ratio and helps create a flatter, more compact combustion chamber that reduces unburned hydrocarbon emissions.

The narrower valve angle decreases the surface - to - volume ratio and helps create a flatter, more compact combustion chamber that reduces unburned hydrocarbon emissions.

Not exact matches

Eliminating nearly all the unburned fuel significantly reduces the ensuing smoke and hydrocarbons.

Retarding the spark or cutting the throttle dumps unburned hydrocarbons into the exhaust; too much of it will overheat the catalytic converter, a filter attached to the exhaust system that reduces air pollution.