TABLE G.2 Cost Estimates of Exhaust Emissions Aftertreatment Technologies Capable of Enabling Tier 2, Bin 5 Compliance

Item

Midsize Car (e.g., Malibu), Catalytic Device Sizing Based on 2.0-L (April 2009 PGM prices) ($)

Midsize SUV (e.g., Explorer), Catalytic Device Sizing Based on 3.5- L (April 2009 PGM prices) ($)

Full-Size Pickup (e.g., Explorer), Catalytic Device Sizing Based on 4.4-L (April 2009 PGM prices) ($)

DOC 1

 

 

 

Monolith and can

52

52

52

PGM loading

139

200

252

DOC 2

 

 

 

Monolith and can

Not used

52

52

PGM loading

Not used

70

87

EGR catalyst

 

 

 

Monolith and can

7

Not used

Not used

PGM loading

13

Not used

Not used

Coated DPF

 

 

 

Advanced cordierite brick and can

124

270

270

PGM loading

131

26

33

NSC system

 

 

 

Catalyst brick and can

114

Not used

Not used

PGM loading

314

Not used

Not used

SCR-urea system

 

 

 

SCR brick and can

39

274

274

Urea dosing system

Passive SCR

363

363

Stoichiometric gasoline emissions and evaporative system credit

−245

−343

−343

Emissions system total

688

964

1,040

NOTE: This table complements Table 5.5. Compared to Table 5.5, the columns reflecting November 2007 PGM prices (Columns 2 and 4) have been removed and a new column, Column 4, was added. This column reflects the aftertreatment system cost estimate for the exhaust flow rates of a larger base-level V6 CI engine (i.e., 4.4 L) suitable for replacing 5.5- to 6.2-L two-valve OHV V8 SI engines with 3.5-L advanced-level technology CI engines. Note that, as discussed in Chapter 5, it was assumed that the aftertreatment component sizes for the 3.5-L advanced-level V6 are equal to those of a base-level 4.4-L V6 because the power levels for these two engines would be the same, thus requiring the same exhaust flow rates. All cost estimates are based on April 2009 PGM commodity prices. Column 4 provides the estimate used for the aftertreatment costs in Table G.1.



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