ef_emfac: Emission Factors from EMFAC emission factors

In vein: Vehicular Emissions Inventories

Emission Factors from EMFAC emission factors

Description

ef_emfac reads path to ef EMFAC. You must download the emission factors from EMFAC website.

Usage

ef_emfac(
  efpath,
  dg = 750,
  dd = 850,
  dhy = 750,
  dcng = 0.8,
  fill_missing = TRUE,
  verbose = TRUE
)

Arguments

efpath	Character path to EMFAC ef (g/miles)
dg	Numeric density of gasoline, default 750 kg/m3
dd	Numeric density of diesel, default 850 kg/m3
dhy	Numeric density of hybrids, default 750 kg/m3
dcng	Numeric density of CNG, default 0.8 kg/m3
fill_missing	Logical to fill and correct ef = 0
verbose	Logical, to show more information

Value

data.table with emission estimation in long format

Note

Fuel consumption must be present

Examples

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vein documentation built on May 29, 2024, 7:20 a.m.