# Engine Technology Worksheet 1 to 15 - Excel

Document Sample

```					                                   School Bus Replacement,
Repower, and Retrofit Worksheet
Annual Miles of Operation
Based on TCEQ's Worksheet OR-1

Activity Information
What is the activity life^, in years?                                                     Years:

How many miles will the vehicle travel annually?                                          Miles:

% of travel time in the eligible counties ^^ ?                                                %:

What is the project type?                                   Click Arrow to Select Project Type:

What is the cost of the project?                                                        (A)   \$:

Maximum allowable funding per Project Type*:                                            (B)   %:    FALSE

Maximum allowable funding per Project Type *:                                           (B)   %:    FALSE

Maximum eligible grant amount (\$)                                                       (A) x (B)    \$0

Requested grant amount **                                                                     \$:

Old Engine/Vehicle Information
Model Year                                                                                 Year:

Fuel Type                                                                                  Type:

Baseline NOX Emission Standard (g/bhp-hr)                                                           0.000

Conversion Factor (bhp-hr/mi)                                                                        0.00

New Engine/Vehicle Information
Model Year                                                                                 Year:

Fuel Type                                                                                  Type:

Reduced NOX Emission Standard (g/bhp-hr)***

Conversion Factor (bhp-hr/mi)                                                                        0.00

If the activity is a NOX retrofit/add-on:                                   Technology Name:

If the activity is a NOX retrofit/add-on:        Verified Percentage Emission Reduction ** (%):

NOX Emissions Reductions: (%)

Annual NOX Emissions Reduced (tons/yr):

Total NOX Emissions Reduced (tons):

Total cost per ton (\$/ton):
Do Not Input Values Here. Values and Calculations are Fixed Based on Numbers Above

Step 1. Does this project reduce at least 25% of NOX emissions?
NOX
Baseline Engine Emissions (g/bhp-hr)                                                            0
- Reduced Engine Emissions (g/bhp-hr)                                                        0.0000
= Difference (g/bhp-hr)                                                                      0.0000
= Emission Rate Reduction                                                                    #DIV/0!

Step 2. Calculate the NOX emission reductions
Part A. Calculate the TxLED Correction Factor (all areas except for El Paso County)
NOX
On Road TxLED Correction Factor 1 - (0.057)                                                    1
Part B. Determine the NOX Emission Factor
Determine Baseline NOX Emission Factor (g/mile)
baseline engine NOX emission standard (g/bhp-hr)                                                0
x TxLED correction factor (diesel engines only)                                                 1
= corrected NOX emission factor (g/bhp-hr)                                                   0.0000
x conversion factor (bhp-hr/mi)                                                                 0
= baseline NOX emission factor (g/mile)                                                      0.0000
Determine Reduced NOX Emission Factor (g/mile)
Option A. Reduced-emission engine certified to a specific emissions standard (g/bhp-hr)
reduced engine NOX emissions standard (g/bhp-hr)                                             0.0000
x TxLED correction factor (diesel engines only)                                                 1
= corrected NOX emission factor (g/bhp-hr)                                                   0.0000
x conversion factor (bhp-hr/mi)                                                                 0
= reduced NOX emission factor (g/mile)                                                       0.0000
Option B. Reduced-emission technology certified/verified to achieve a percentage reduction
Baseline NOX emission factor (g/mile)                                                        0.0000
x certified/verified percentage reduction from baseline                                      0.00%
= reduced NOX emission factor (g/mile)                                                       0.0000
Part C. Calculate the NOX Emission Reduction Using Annual Mileage
baseline NOX emission factor (g/mile)                                                        0.0000
- reduced NOX emission factor (g/mile)                                                       0.0000
= grams per mile reduced (g/mile)                                                            0.0000
x annual miles of operation                                                                     0
x percent within affected counties (%)                                                         0%
= grams per year reduced (g/yr)                                                                 0
÷ 907,200 grams per ton
= estimated annual NOX emission reduction (tons/yr)                                          0.0000
x activity life (years)                                                                         0
= estimated activity life NOX emission reduction (tons)                                      0.0000

Step 3. What is the Activity cost per ton?
NOX
requested grant amount activity (\$)                                                           \$0.00
÷ emissions reductions (tons):                                                               0.0000
= cost per ton (\$/ton)                                                                         N/A
School Bus Replacement, Repower, Retrofit Worksheet
Example
Annual Miles of Operation
Based on TCEQ's Worksheet OR-1

Activity Information
What is the activity life^, in years?                                                     Years:         7

How many miles will the vehicle travel annually?                                          Miles:      20,000

% of travel time in the eligible counties ^^ ?                                                %:       100%

What is the project type?                                   Click Arrow to Select Project Type:     Replacement

What is the cost of the project?                                                        (A)   \$:    \$100,000.00

Maximum allowable funding per Project Type*:                                            (B)   %:       25%

Maximum allowable funding per Project Type *:                                           (B)   %:      FALSE

Maximum eligible grant amount (\$)                                                       (A) x (B)     \$25,000

Requested grant amount **                                                                     \$:    \$100,000.00

Old Engine/Vehicle Information
Model Year                                                                                 Year:       1989

Fuel Type                                                                                  Type:       diesel

Baseline NOX Emission Standard (g/bhp-hr)                                                             10.700

Conversion Factor (bhp-hr/mi)                                                                          2.69

New Engine/Vehicle Information
Model Year                                                                                 Year:       2010

Fuel Type                                                                                  Type:      Diesel

Reduced NOX Emission Standard (g/bhp-hr)***                                                            1.200

Conversion Factor (bhp-hr/mi)                                                                          2.99

If the activity is a NOX retrofit/add-on:                                   Technology Name:          diesel

If the activity is a NOX retrofit/add-on:        Verified Percentage Emission Reduction ** (%):       25.00%

NOX Emissions Reductions: (%)          89%

Annual NOX Emissions Reduced (tons/yr):         0.1496

Total NOX Emissions Reduced (tons):         1.0472

Total cost per ton (\$/ton):   \$95,496.45
Do Not Input Values Here. Values and Calculations are Fixed Based on Numbers Above

Step 1. Does this project reduce at least 25% of NOX emissions?
NOX
Baseline Engine Emissions (g/bhp-hr)                                                            10.7
- Reduced Engine Emissions (g/bhp-hr)                                                          1.2000
= Difference (g/bhp-hr)                                                                        9.5000
= Emission Rate Reduction                                                                       89%

Step 2. Calculate the NOX emission reductions
Part A. Calculate the TxLED Correction Factor (all areas except for El Paso County)
NOx
On Road TxLED Correction Factor 1 - (0.057)                                                     0.943
Part B. Determine the NOX Emission Factor
Determine Baseline NOX Emission Factor (g/mile)
baseline engine NOX emission standard (g/bhp-hr)                                               10.7
x TxLED correction factor (diesel engines only)                                                0.943
= corrected NOX emission factor (g/bhp-hr)                                                    10.0901
x conversion factor (bhp-hr/mi)                                                                2.69
= baseline NOX emission factor (g/mile)                                                       27.1424
Determine Reduced NOX Emission Factor (g/mile)
Option A. Reduced-emission engine certified to a specific emissions standard (g/bhp-hr)
reduced engine NOX emissions standard (g/bhp-hr)                                               1.2000
x TxLED correction factor (diesel engines only)                                                 0.943
= corrected NOX emission factor (g/bhp-hr)                                                     1.1316
x conversion factor (bhp-hr/mi)                                                                 2.99
= reduced NOX emission factor (g/mile)                                                         3.3835
Option B. Reduced-emission technology certified/verified to achieve a percentage reduction
Baseline NOX emission factor (g/mile)                                                         27.1424
x certified/verified percentage reduction from baseline                                       25.00%
= reduced NOX emission factor (g/mile)                                                        20.3568
Part C. Calculate the NOx Emission Reduction Using Annual Mileage
baseline NOX emission factor (g/mile)                                                         27.1424
- reduced NOX emission factor (g/mile)                                                        20.3568
= grams per mile reduced (g/mile)                                                             6.7856
x annual miles of operation                                                                   20,000
x percent within affected counties (%)                                                         100%
= grams per year reduced (g/yr)                                                               135,712
÷ 907,200 grams per ton
= estimated annual NOX emission reduction (tons/yr)                                            0.1496
x activity life (years)                                                                           7
= estimated activity life NOX emission reduction (tons)                                        1.0472

Step 3. What is the Activity cost per ton?
NOX
requested grant amount activity (\$)                                                          \$100,000.00
÷ emissions reductions (tons):                                                                 1.0472
= cost per ton (\$/ton)                                                                       \$95,496.45
Eligible Projects and Costs
Minimum         Maximum
Option       Activity Life   Activity Life   Maximum %                                               C
(years)         (years)
-Engine Model Year: 2007-2012
-Must be particulate filter equipped, or cata
25%        natural gas (CNG) engine, and meet regula
manufactured in that model year.
-NOX*: 2.375 g/bhp-hr ; PM*: 0.01 g/bhp-hr
Replacement             5              7
-Engine Model Year: 2008-2012
-Must be particulate filter equipped, or cata
50%        natural gas (CNG) engine, and meet regula
manufactured in that model year.
-NOX*: 0.2 g/bhp-hr ; PM*: 0.01 g/bhp-hr ; N
Repower                 5              7             75%        Replaced Engine is properly disposed
5              10            100%
Technology                                                      Technologies must be EPA or California A
Idle Reduction
3              n/a           95%
Technology                                                      Technologies must be on the EPA certified
* The FEL must be used to determine emission levels. If the FEL does not exist, then the Standard Test

rojects and Costs

Criteria

gine Model Year: 2007-2012
st be particulate filter equipped, or catalyst equipped in the case of a compressed
ural gas (CNG) engine, and meet regulatory requirements for school bus engines
nufactured in that model year.
OX*: 2.375 g/bhp-hr ; PM*: 0.01 g/bhp-hr ; NMHC*: 0.14 g/bhp-hr
gine Model Year: 2008-2012
st be particulate filter equipped, or catalyst equipped in the case of a compressed
ural gas (CNG) engine, and meet regulatory requirements for school bus engines
nufactured in that model year.
OX*: 0.2 g/bhp-hr ; PM*: 0.01 g/bhp-hr ; NMHC*: 0.14 g/bhp-hr
placed Engine is properly disposed

hnologies must be EPA or California Air Resources Board (CARB) verified/certified.

hnologies must be on the EPA certified list.
es not exist, then the Standard Test Cap (STD) must be used.
Table 1.1      On-Road Heavy-Duty CI Engines NOx Emission
Standards by Model Year
Diesel Engines Emission Standard
Year of Manufacture                  NOX Only             NOX+NMHC
(g/bhp-hr)            (g/bhp-hr)

1989 and earlier                                10.7
1990                                              6
1991-1997                                         5
1998-2003                                         4
2004-2006*                                   2.375 - 4.0
2007-2009*^                                  0.2 - 2.375                2.5
2010+ *                                          0.2                     ---

* Due to engine phase-in schedules, any application request for a 2003 or newer
engine must include a family engine code to determine emissions levels.

^ If the family code is not known for a 2007 or newer engine, use the 2006 standard,
2.375 g/bhp-hr.

On-Road Heavy-Duty Diesel School Bus Conversion
Factors (HDDBS)

Energy Consumption
Conversion Factor    Factor (ECF) (bhp-
Model Year      (bhp-hr/mi)             hr/gal)
0              0.00                  0
1900             1.60                 14.6
1980             1.60                 14.6
1981             1.61                 14.8
1982             1.62                 15.0
1983             1.62                 15.3
1984             1.62                 15.5
1985             1.62                 15.7
1986             1.62                 15.9
1987             1.62                 16.1
1988             2.67                 16.3
1989             2.69                 16.5
1990             2.70                 16.8
1991             2.71                 17.0
1992             2.77                 17.3
1993             2.82                 17.5
1994             2.88                 17.8
1995             2.93                 18.0
1996             2.99                 18.3
1997             2.99                 18.6
1998             2.99                 18.8
1999             2.99                 19.1
2000             2.99                 19.4
2001             2.99                 19.7
2002             2.99                 19.9
2003             2.99                 20.2
2004             2.99                 20.5
2005             2.99                 20.8
2006             2.99                 21.2
2007             2.99                 21.5
2008             2.99                  --
2009             2.99                  --
2010             2.99                  --