Sentences with phrase «remaining oxides of nitrogen»

A DeNox catalytic converter in the exhaust system reduces the remaining oxides of nitrogen by means of an additive.

Not exact matches

Microbes in the soil digest some of what remains to produce nitrogen oxides, or NOx.

Many of his mistakes are big ones: he bungles the issues involving reserves and resources that are critical to his core argument about oil remaining cheap; he drastically misleads his readers about the extent to which sulfur dioxide and nitrogen oxide emissions from coal - burning have been reduced; he trivializes the climate - change risks from coals carbon dioxide emissions by suggesting we know the impacts will be worth only 0.64 cents per kilowatt - hour.

The high - mileage D4 direct - injection gasoline engine remains too expensive and emits too much oxides of nitrogen to meet U.S. emissions regulations.

Power plant emissions of the offending compounds, nitrogen oxides, have dropped but remain too high, Mr. Boehlert said.

Nitrate deposits in the Arctic remains high even after the turn of the century, despite environmental policies adopted by neighboring countries in the late 20th century to cut nitrogen oxide (NOx) emissions.