Sentence examples for highway emissions from inspiring English sources
Delays in rail travel time could lead to a less favorable comparison of the train versus avoided highway emissions.
Conversely, delays in highway travel time could lead to a more favorable comparison of the train versus highway emissions.
The trends in highway emissions parallel decreasing trends in total emissions of these pollutants from all sectors [ 46, 47].
Figures 3, 4, 5, 6 show dual Y-axis plots of the temporal trends in autism juxtaposed against the trends in lead, highway emissions, aluminum adjuvants and glyphosate, respectively.
Similar results were found for proximity based exposures, for example, 30% of individuals classified as not exposed to highway emissions based on their address at study entry were actually exposed when residential histories were used for exposure assessment.
These decreases are supported by United States Environmental Protection Agency USEPAA) estimates of highway emissions of 5 major pollutants contributing either directly or indirectly to PM2.5 and ozone formation, which have decreased by ~50-75 ~50-75their reference values, available from either 1970 or 1990 [ 46].
Heavy metals have become concentrated in certain areas, such as traffic congested highways, emission areas and cement- and battery-waste polluted sites.
In addition, the effect of delay with respect to rail and highway vehicle emissions is now considered.
In our study communities, highway traffic emissions were the predominant pollution source, with EC measurements next to these highways reaching 4-9 μg/m3 [ 26] as compared with those in rural (0.5-1 μg/m) and urban areas (~2 μg/m) without a highway [ 27].
Highway vehicle emission rates are affected by vehicle type, time of day, travel time, and trip average speed [26, 27].
Such changes may not have affected drivers directly but would have affected the composition of highway and road emissions, which increased EC exposures as the whole industry changed truck engine types over a short period.
