O xygenated Fuels Gasoline blended with alcohol or ether containing oxygen. Use of such fuels reduces carbon monoxide production and other emissions. A catalytic converter designed to reduce particulate emissions from diesel vehicles. Ozone Ozone is a colorless gas with a sweet odor. Ozone is not a direct emission from transportation sources.
Ozone is associated with smog or haze conditions.
Particulate matter may be in the form of fly ash, soot, dust, fog, fumes, etc. Primary Pollutant Pollutant gases or particle directly emitted from a pollutant source. Q uality Assurance Process A process for determining the accuracy of emissions information. Examples of activities include checking with specific industrial firms concerning the information reported on the Air Pollution Emission Notifications, and reviewing the body of literature regarding the best methods for estimating emissions. R AQC Short for the Regional Air Quality Council, metro Denver's lead air quality planning agency.