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Powertrain testing. [Corrected] 

---
identifier: "/us/fr/C1-2016-21203"
source: "fr"
legal_status: "authoritative_unofficial"
title: "Powertrain testing. [Corrected]"
title_number: 0
title_name: "Federal Register"
section_number: "C1-2016-21203"
section_name: "Powertrain testing. [Corrected]"
positive_law: false
currency: "2017-06-30"
last_updated: "2017-06-30"
format_version: "1.1.0"
generator: "[email protected]"
agency: "DEPARTMENT OF TRANSPORTATION"
document_number: "C1-2016-21203"
document_type: "rule"
publication_date: "2017-06-30"
agencies:
  - "DEPARTMENT OF TRANSPORTATION"
  - "National Highway Traffic Safety Administration"
cfr_references:
  - "49 CFR Parts 523, 534, 535, and 538"
rin: "2060-AS16; RIN 2127-AL52"
---

#  Powertrain testing. [Corrected]

**Correction**

**40 CFR Part 1036**

In rule document 2016-21203, appearing on pages 73478-74274, in the issue of Tuesday, October 25, 2016, make the following corrections:

§ 1036.805

1. On page 74044, in paragraph (b), the table should read as follows:

| Symbol | Quantity | Unit | Unit symbol | Unit in |
| --- | --- | --- | --- | --- |
|  | atomic hydrogen-to-carbon ratio | mole per mole | mol/mol | 1. |
|  | atomic oxygen-to-carbon ratio | mole per mole | mol/mol | 1. |
|  | drag area | meter squared | m | m
                                
                                . |
|  | coefficient of rolling resistance | kilogram per metric ton | kg/tonne | 10
                                
                                
                                . |
|  | distance | miles or meters | mi or m | m. |
|  | mass weighted emission result | grams/ton-mile | g/ton-mi | g/kg-km. |
|  | efficiency. |  |  |  |
|  | mass-specific net energy content | megajoules/kilogram | MJ/kg | m
                                
                                ·s
                                
                                
                                . |
|  | angular speed (shaft) | revolutions per minute | r/min | π·30·s
                                
                                
                                . |
|  | indexing variable. |  |  |  |
|  | drive axle ratio. |  |  |  |
|  | highest available transmission gear. |  |  |  |
|  | mass | pound mass or kilogram | lbm or kg | kg. |
|  | molar mass | gram per mole | g/mol | 10
                                
                                
                                ·kg·mol
                                
                                
                                . |
|  | vehicle mass | kilogram | kg | kg. |
|  | inertial mass of rotating components | kilogram | kg | kg. |
|  | total number in a series. |  |  |  |
|  | power | kilowatt | kW | 10
                                
                                ·m
                                
                                ·kg·s
                                
                                
                                . |
|  | torque (moment of force) | newton meter | N·m | m
                                
                                ·kg·s
                                
                                
                                . |
|  | time | second | s | s. |
|  | time interval, period, 1/frequency | second | s | s. |
|  | utility factor. |  |  |  |
|  | speed | miles per hour or meters per second | mi/hr or m/s | m·s
                                
                                
                                . |
|  | work | kilowatt-hour | kW·hr | 3.6·m
                                
                                ·kg·s
                                
                                
                                . |
|  | carbon mass fraction | gram/gram | g/g | 1. |
|  | urea mass fraction | gram/gram | g/g | 1. |
|  | amount of substance mole fraction | mole per mole | mol/mol | 1. |
|  | brake energy fraction. |  |  |  |
|  | brake energy limit. |  |  |  |

**40 CFR Part 1037**

§ 1037.550

2. On page 74097, in the third column, TABLE 1 OF § 1037.550—STATISTICAL CRITERIA FOR VALIDATING DUTY CYCLES should read as follows:

| Parameter | Speed control |
| --- | --- |
| Slope, | 0.990 ≤ 
                                
                                
                                 ≤ 1.010. |
| Absolute value of intercept, \|
                                
                                
                                \| | ≤2.0% of maximum test speed. |
| Standard error of estimate, | ≤2.0% of maximum test speed. |
| Coefficient of determination, | ≥0.990. |