Effects of evaporative emissions control measurements on ozone concentrations in Brazil
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Atmosphere
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In this work, the possible benefits obtained due to the implementation of evaporative
emissions control measures, originating from vehicle fueling processes, on ozone concentrations
are verified. The measures studied are: (1) control at the moment when the tank trucks supply the
fuel to the gas stations (Stage 1); (2) control at the moment when the vehicles are refueled at the gas
stations, through a device installed in the pumps (Stage 2); (3) same as the previous control, but
through a device installed in the vehicles (ORVR). The effects of these procedures were analyzed using
numerical modeling with the VEIN and WRF/Chem models for a base case in 2018 and different
emission scenarios, both in 2018 and 2031. The results obtained for 2018 show that the implementation
of Stages 1 and 2 would reduce HCNM emissions by 47.96%, with a consequent reduction of 19.9%
in the average concentrations of tropospheric ozone. For 2031, the greatest reductions in ozone
concentrations were obtained with the scenario without ORVR, and with Stage 1 and Stage 2 (64.65%
reduction in HCNM emissions and 31.93% in ozone), followed by the scenario with ORVR and with
Stage 1 and Stage 2 (64.39% reduction in HCNM emissions and 32.98% in ozone concentrations).
Como referenciar
IBARRA-ESPINOSA, SERGIO; FREITAS, EDMILSON D. de; ANDRADE, MARIA de F.; LANDULFO, EDUARDO. Effects of evaporative emissions control measurements on ozone concentrations in Brazil. Atmosphere, v. 13, n. 1, p. 1-14, 2022. DOI: 10.3390/atmos13010082. Disponível em: http://repositorio.ipen.br/handle/123456789/32953. Acesso em: 30 Apr 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.