Sentences with phrase «unburned hydrocarbon emissions»

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

They do not have catalytic converters and their emissions of unburned hydrocarbons, oxides of nitrogen, particulate matter, and carbon monoxide are quite high.

One of the hard parts about fighting CO2 emissions, vs. all the other emissions we have tackled in the past (NOx, SOx, soot / particulates, unburned hydrocarbons, etc), is that we simply don't know how to combust fossil fuels without creating CO2 — CO2 is inherent to the base chemical reaction of the combustion.

All other fossil - fuel emissions represent unburned hydrocarbons, the technology for capturing which has improved by leaps and bounds in the past few decades.

The use of biodiesel in a conventional diesel engine results in substantial reduction of unburned hydrocarbons, carbon monoxide, and particulate matter compared to emissions from diesel fuel.