. Scientists
have investigated methods of
removing compounds that lead
to the creation of SOx and NOx
from fuels (coal, oil, and gasoline)
and emissions from factories,
power plants, and vehicles.
Washing coal to remove sulfur,
spraying wet limestone into hot
factory exhaust gases, burning
fuel at a lower and constant temperature,
and reacting coal with
steam and air at high temperatures
to produce a gas consisting
mainly of hydrogen and carbon
monoxide have had some success.
In this last solution,
hydrogen gas is burned, causing
a turbine to generate electricity;
waste heat generates steam,
turning yet another turbine
. Scientistshave investigated methods ofremoving compounds that leadto the creation of SOx and NOxfrom fuels (coal, oil, and gasoline)and emissions from factories,power plants, and vehicles.Washing coal to remove sulfur,spraying wet limestone into hotfactory exhaust gases, burningfuel at a lower and constant temperature,and reacting coal withsteam and air at high temperaturesto produce a gas consistingmainly of hydrogen and carbonmonoxide have had some success.In this last solution,hydrogen gas is burned, causinga turbine to generate electricity;waste heat generates steam,turning yet another turbine
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