MANUFACTURERS' GUIDANCE
 INDEX FOR 1979 LETTERS

 DATE SUBJECT

12-13-79 Streamlining of Certification Procedures for 1980
 and 1981 Model Years.


 MANUFACTURERS' GUIDANCE
 INDEX FOR 1980 LETTERS

DATE SUBJECT 


 1-16-80 Procedures for Submitting Vehicle Test and
 Maintenance Data for the 1981 Model Year

 5-20-80 Abbreviated Certification Guideline for
 Alternative Dynamometer Power Absorption Values

 6-17-80 Running Change Request Form Guidelines

 7-15-80 Abbreviated Certification Guideline for
 Alternative Dynamometer Power Absorption
 Values--Revised Version

10-28-80 Deletion of Spark Timing Parameter Adjustment
 Requirement

 MANUFACTURERS' GUIDANCE
 INDEX FOR 1981 LETTERS

 DATE TO: SUBJECT: 

 1-23-81 LD Summary/Assessment of 1981 Model Year
 Abbreviated Certification Review Program
 (not legible, not scanned - re-typed)

 3-24-81 "SF" Multigrade Fuel-Efficient Engine
 Oils

 4-02-81 LD/HD Choke Vacuum Breaks--Parameter
 Adjustment Regulations

 6-04-81 LD Test Fuel Temperature for Precondi-
 tioning

 7-01-81 Relief for Manufacturers--Certification
 Program Policy Changes

 8-10-81 LD Fuel Economy Labeling Policy Change

 8-14-81 LD Test Fuel Temperature for Precondi-
 tioning

 8-20-81 HD Heavy-Duty Engine Application Format for
 1983 Model Year

10-14-81 Waiving of the PCAFE Deadline for 1982
 Model Year

10-16-81 Revised Running Change Request Form

10-26-81 Questions on Revised Certification
 Procedure

12-04-81 Schedule for Second Edition of 1982 Gas
 Mileage Guide

12-09-81 Vehicle Change/Addition Implementation
 Concurrent with Change Submission to 
 Administrator--Confirmatory Test Ten-Day
 Notification Period

12-17-81 Suspension of Telephone Hotline

12-17-81 HD Test Procedure Change for Heavy-Duty
 Certification Engines

 MANUFACTURERS' GUIDANCE
 INDEX FOR 1982 LETTERS



DATE CD # TO: SUBJECT:

1-11-82 All Durability-Data Vehicle Reconfiguration

4-27-82 CD-82-1 All Imp of Numbering System for
 Correspondence of General Interest

4-27-82 CD-82-2 LD Optional Light-Duty Application Format
 1983 and Later MY

5-03-82 CD-82-3 Optional Light-Duty Application Format
 (Correction)

7-21-82 CD-82-4 Questions & Answers on Optional LD Appl.
 Format

9-07-82 CD-82-5 All Transmittal of Four Shift Light (SIL)
 Case Summaries and Announcement of
 Workshop

9-08-82 CD-82-6 MC 1984 Motorcycles Format

11-18-82 CD-82-7 HDV Revisions to 40 CFR, Part 86, Subpart A

11-18-82 CD-82-8 HDE Revisions to 40 CFR, Part 86, Subpart A

12-18-82 CD-82-9 Never Issued

12-22-82 CD-82-10 LD Shift Indicator Lights

12-27-82 CD-82-11 All Re: "Maximum Available Power" and Speed
 Variation Tolerances


 MANUFACTURERS' GUIDANCE
 INDEX FOR 1983 LETTERS

DATE CD # TO: SUBJECT: 


 1-06-83 CD-83-1 HD 1984 MY Heavy Duty Format

 2-18-83 CD-83-2 LD Supplement to the 1984 MY LDV Application
 Format

 3-23-83 CD-83-3 LD 1984 FE Information

 3-28-83 CD-83-4 HD 1984 Heavy Duty Engine Certification

 4-04-83 CD-83-5 LD Operation at "MAP"

 4-25-83 CD-83-6 LD Utilization of Federal Durability-Data
 Veh to Satisfy CA Testing Requirements

 5-12-83 CD-83-7 LD Voluntary Use of Lower Label Values

 6-03-83 CD-83-8 LD Timetable for Gas Mileage Guide

 6-16-83 CD-83-9 LD General Label & Corporate Average FE Data
 Processing changes

 6-22-83 CD-83-10 LD SIL Usage Factor Determination

 7-21-83 CD-83-11 HD Transient Test/Transient Test-Based
 Standards

 8-23-83 CD-83-12 MC Quarterly Production Reports

 8-23-83 CD-83-13 LDV Quarterly Production Reports

 9-09-83 CD-83-14 MC Application Instructions 1985 and Later
 MY MC's

 9-22-83 CD-83-15 LD Use of Test Data for FE Label
 Calculations

11-21-83 CD-83-16 HD Application Instructions 1985 MY HDG Veh

12-28-83 CD-83-17 HD Application Instructions 1985 MY HD Eng


 MANUFACTURERS' GUIDANCE
 INDEX FOR 1984 LETTERS

 DATE CD # TO: SUBJECT: 


 1-17-84 CD-84-1 HDDE Neutral Density Filters

 1-10-84 CD-84-2 MC Bore Spacing Interpretation

 3-23-84 CD-84-3 LDT Changes to Certification Input Data Forms 
 for 1985MY

 4-09-84 CD-84-4 LD Emission-Data Vehicle Reconfiguration

 4-19-84 CD-84-5 LD Use of Low Viscosity Engine Oil in Test
 Vehicle

 4-19-84 CD-84-6 LD 1985 MY FE Options and Procedures

 5-04-84 CD-84-7 LD Additional Guidance for 1985 and Later MY 
 FE Labeling

 5-18-84 CD-84-8 LDT/HDE General Guidance Regarding Durability
 Testing, Allowable Maintenance and Full
 Useful Life Provisions of the New LDT and
 HDE Regulations

 5-25-84 CD-84-9 LD Revision to EPA Test Request Sheet

 7-17-84 CD-84-10 LD Selection of Emission-Data Vehicles Under 
 86.085-24 (b)(1)(i) and (ii)

 8-10-84 CD-84-11 LD Use of 5W Fuel Efficient Oil in Emission 
 Data Vehicle

 9-14-84 CD-84-12 HD Five Percent Exemption from more 
 stringent Heavy Duty Engine Gasoline 
 Emissions Standard

 9-20-84 CD-84-13 HD Use of Exhaust Restrictor Pipes During 
 Engine Mapping

10-05-84 CD-84-14 LD Potential Performance Warranty Liability


 MANUFACTURERS' GUIDANCE
 INDEX FOR 1985 LETTERS

DATE CD # TO: SUBJECT: 


2-01-85 CD-85-01 LDV FE Value Range 1985 Model Year
 Comparable Vehicles

3-05-85 CD-85-02 LDV/LDT Certification of Light-Duty Vehicles
 Equipped with Charge Air Coolers
 (Intercoolers or Aftercoolers)

3-12-85 CD-85-03 LD 1986 Model Year Fuel Economy Procedures

4-10-85 CD-85-04 LD Separate Labels for High Performance 
 Vehicles

5-03-85 CD-85-05 LD Pickup of Processed Manufacturer 
 Submitted Data Printouts at the MVEL 
 Computer Window

5-08-85 CD-85-06 LD Delay of the Requirement for Separate 
 Engine Families for Inter-cooled LDV 
 Engines

6-11-85 CD-85-07 HDE Heavy-Duty Engine 1986 Model Year 
 Application for Certification 
 Instructions

6-21-85 CD-85-08 LD Revision of Test Request Sheet

7-01-85 CD-85-09 LDV/T/HD Definition of "Routine Emission Test 
 Record"

7-19-85 CD-85-10 LD 1986 Model Year Fuel Economy Data Sheet 
 Update

7-25-85 CD-85-11 LD/HD Allowable Maintenance Regulations-- 
 Questions and Answers

8-07-85 CD-85-12 LD/HD/MC Office Security/Implementation of 
 Central Mail System

8-15-85 CD-85-13 LD Reassessment of Gas Guzzler Status

8-20-85 CD-85-l4 MC Definition of "Routine Emission Test 
 Record"--Reference: 86.440-78(a)(3)

11-05-85 CD-85-15 LD Explanation of EPA Certification 
 Procedures

11-15-85 CD-85-16 ALL Guidance on NOx Averaging for Light- 
 Duty Trucks

12-06-85 CD-85-17 LD Separation of trap and non-trap 
 oxidizer equipped diesel vehicles 
 into different basic engines for 
 Fuel Economy Label Calculations.
0839u

 MANUFACTURERS' GUIDANCE
 INDEX FOR 1986 LETTERS
 DATE CD # TO SUBJECT 

 1-17-86 86-01 LD Mass Correction of Dynamometer Quick
 Check Results for ETW Differences between
 Test Vehicles and Coastdown Vehicles

 2-06-86 86-02 LD Updated 1986 Model Year Fuel Economy
 Ranges

 2-06-86 86-X1 Preparation of Vehicles for Testing
 at EPA

 2-07-86 86-03 LD Domestic Content--Transmittal of a letter
 to Ford which may be of General Interest
 to Other Manufacturers.

 3-12-86 86-04 MC Instructions for the Preparation and
 Submission of Applications for Certifi-
 cates of Conformity for 1987 and Later
 Model Year Motorcycles

 3-28-86 86-05 LD Supplement to the 1987 Model Year Light-
 Duty Vehicle Application Format

 4-02-86 86-06 LD Compliance with Sections 202(a)(4) and
 206(a)(3) of the Clean Air Act (Distribu-
 tion of VWoA Manganese letter)

 4-17-86 86-07 HDE/HDV Instructions for Heavy-Duty Engine
 and Vehicle Certification

 5-15-86 86-08 LD Proposed Advisory Circular No. 55C--
 Alternative Dynamometer Power Absorber
 Settings

 5-21-86 86-09 LD 1986 Model Year Passenger Automobile CAFE
 Adjustment Coefficient

 5-23-86 86-10 LD Alternative Methods for Establishing
 Coastdown Match Times and Dynamometer
 Power Absorper Values

 5-29-86 86-11 LD Determination of Adjustable ECM
 Parameters

 6-18-86 86-12 LD 1987 Model Year Fuel Economy Label Infor-
 mation

 6-19-86 86-13 LD Encoding Laboratory Test Sites

 6-25-86 86-14 LD Audit of Mileage Accumulation Fuels and
 Lubricants
 9-10-86 86-15 LD Low Viscosity (5W) Engine Oil Usage

10-01-86 86-16 ALL Certification Branch Team Change




MANUFACTURERS' GUIDANCE INDEX FOR 1986 LETTERS Page 2

 DATE CD # TO SUBJECT 

10-30-86 86-17 LD/HD Resetting Warning Devices for
 Emission Control System Maintenance

11-19-86 86-18 HDDE Reclassification of Smoke Puff Limiters

12-02-86 86-19 LD International Harmonization of 
 Certification Testing Procedures

12-03-86 86-20 LD Selection of Emission-Data Vehicles

12-04-86 86-21 LD/HD Summary of Comments Received
 Pertaining to the Draft Advisory
 Circular No. 51C: Assigned
 Deterioration Factors for 1988 Model
 Year Light-Duty Vehicles, Light-Duty
 Trucks, and Heavy-Duty Engines

12-12-86 86-22 LD Advisory Circular No. 55C--Alternative
 Dynamometer Power Absorber Settings

12-18-86 86-23 LD Fuel Economy Label for 1987 and Later
 Model Years



 MANUFACTURERS' GUIDANCE
 INDEX FOR 1987 LETTERS
 DATE CD # TO SUBJECT 

 1-23-87 87-01 LD Current Policy on Driver-Selectable
 Devices

 2-25-87 87-02 LD/HD A/C No. 51C Attachment I
 Correction--Assigned Deterioration
 Factor Addendum

 3-13-87 87-03 LD/HD Feasibility Study for Proposed
 Certifica-tion and Fuel Economy
 Fees

 3-31-87 87-X2 Updated 1987 Model Year Fuel Economy
 Ranges

 4-07-87 87-04 LDV CAFE Adjustment Coefficient for 1987
 Model Year Passenger Automobiles

 4-17-87 87-05 LD Determination of a New Adjustable
 Parameter (40 CFR 86.085-22(e)(1)(i))

 4-30-87 87-06 LD Shift Points for Manual Transmission Test
 Vehicles Equipped with Shift Indicator
 Lights--A Proposal

 6-09-87 87-07 ALL Proposed Procedure to Ensure Compliance
 with Regulatory Requirements for Mileage
 Accumulation Fuel

 6-30-87 87-08 LD Idle CO CVS Testing of Light-Duty Trucks

 7-01-87 87-09 LD Supplement to the 1988 Model Year Light-
 Duty Vehicle Application Format

 8-13-87 87-10 LD Fuel Economy Label Information for 1988
 Model Year

 9-4-87 87-X1 1988 Model Year Fuel Economy Ranges

 9-24-87 87-11 ALL Certification Branch Team Change

10-21-87 87-12 ALL Access to Certification Division Office
 Area--A Reminder on Current Procedures

10-28-87 87-13 LD Implementation of the Video Driver's Aid
 System at MVEL and Computer Entry of 
 Shift Schedules

11-05-87 87-14 LD Mileage Accumulation Fuel Additives
 Packages

11-19-87 87-15 LD Proposed Optional Method for Assignment
 of Test Vehicle Fuel Economy Dispositions

12-31-87 87-16 ALL Duration of Certificate of Conformity,
 Annual Production Period, and Model Year


 MANUFACTURERS' GUIDANCE INDEX
 FOR 1988 LETTERS
 DATE CD # TO SUBJECT 


 1-19-88 88-01 LD Changes to MVEL ADP Timesharing Contract
 with University of Michigan

 1-21-88 88-02 LD Catalyst Thermal Degradation Criteria
 Contained in Advisory Circular No. 17F;
 Revision to Endnote #4

 2-08-88 88-03 LD CAFE Adjustment Coefficient for 1988
 Model Year Passenger Automobiles

 3-2-88 88-X3 Updated 1988 Model Year Fuel Economy
 Ranges

 3-14-88 88-04 LD Alternative Method to Calculate Average
 Exchange Rates

 5-13-88 88-05 LD Supplement to the 1988 Model Year Light-
 Duty Vehicle Application Format;
Revision
 to Fuel Economy Input Forms

 5-20-88 88-06 ALL Update of Abbreviated Certification
 Review Guidelines

 5-20-88 88-07 LD Side Fan Cooling for Emissions Testing

 6-22-88 88-08 LD Supplement to the 1989 Model Year Light-
 Duty Vehicle Application Format

 7-26-88 88-09 LD Fuel Economy Label Information for 1989
 Model Year

 8-15-88 88-10 HD Computerized Processing of Heavy-Duty
 Engine and Heavy-Duty Vehicle Certifica-
 tion Data

 8-15-88 88-11 MC Computerized Processing of
 Gasoline-Fueled Motorcycle Certification
 Data

 8-23-88 88-12 LD Advance Distribution of 1989 Model Year
 Gas Mileage Guide Information for
 Manufacturer Review/Approval

 8-26-88 88-13 LD Revised Vehicle Information Data Sheet

 8-26-88 88-14 LD EPA Response to Motor Vehicle
 Manufacturers Association Regarding
 Guidance Letter CD-88-07
 9-2-88 88-X2 1989 Model Year Fuel Economy Ranges

 9-12-88 88-15 LD Use of SG Energy Conserving II Oils

 9-27-88 88-16 LD Test Procedures at the Motor Vehicle
 Emissions Laboratory

10-14-88 88-17 ALL Certification Branch Team Change

12-05-88 88-18 HD Instructions for Heavy-Duty Engine and
 Heavy-Duty Vehicle Certification

12-05-88 88-19 MC Instructions for Motorcycle 
 Certification

12-16-88 88-20 LD Use of SG Energy Conserving II Oils with
 Fuel Economy Improvement Factors of 2.9
 for 10W30 and 3.1 for 5W30

12-23-88 88-X1 Draft Cold Temperature Test Procedures


 MANUFACTURERS' GUIDANCE INDEX
 FOR 1989 LETTERS
 DATE CD # TO SUBJECT 

 2-10-89 89-01 LD Update on Side Fan Cooling

 2-24-89 89-X1 Updated 1989 Model Year Fuel Economy 
 Ranges

 3-15-89 89-02 LD CAFE Adjustment Coefficient for 1989
 Model Year Passenger Automobiles

 3-24-89 89-03 LD Fuel Economy Disposition Assignment

 6-22-89 89-04 LD Relocation of Manufacturer Incoming
 Mailboxes and Use of Government Equipment

 6-30-89 89-05 LD Fuel Economy Label Information for 1990
 Model Year

 8-04-89 89-06 LD Number of Fuel Tank Thermocouples

 8-23-89 89-07 LD Revised "California Only" Certificate
 Format

 9-06-89 89-08 LD 1990 Model Year Fuel Economy Ranges

11-22-89 89-09 ALL Certification Branch Team Change

 MANUFACTURERS' GUIDANCE INDEX
 FOR 1990 LETTERS
 DATE CD # TO SUBJECT 

02-23-90 Updated 1990 Model Year Fuel Economy
 Ranges (missing)

04-30-90 90-01 MC New Data Entry Forms for Motorcycle 
 Certification

05-15-90 90-02 LD CAFE Adjustment Coefficient for 1990 MY
 Passenger Automobiles

06-11-90 90-03 HD Instructions for Heavy-Duty Engine and
 Heavy-Duty Vehicle Certification

07-06-90 90-04 LD Fuel Economy Label Information for 1991
 Model Year

09-11-90 90-X1 1991 MY Fuel Economy Ranges

10-17-90 90-05 LD Fuel Tank Heating with Electric Heat
 Blanket

11-23-90 90-06 LD Durability-Data Vehicle Selection

12-20-90 90-07 Alternative Method of Computer
 Processing for Carryover of Previous
 Year Certification Data

12-21-90 90-08 HD Revised HD Computer Input Forms



0839u

 MANUFACTURERS: GUIDANCE INDEX
 FOR 1991 LETTERS



 DATE CD# TO SUBJECT

03-01-91 CD-91-X1 Updated 1991 Model Year Fuel Economy
 Ranges

06-28-91 CD-91-01 LD Fuel Economy Label Information for
 1992 Model Year

06-28-91 CD-91-02 LD Carryover of 1992 MY Oil Survey Data

08-16-91 CD-91-03 LD CAFE Adjustment Coefficient for 1991
 Model Year Passenger Automobiles

08-23-91 CD-91-04 LDV Review of draft portions of the 1992
 Gas Mileage Guide

08-31-91 CD-91-05 LDV Delay of Test Data Submission for
 1994 Model Year

09-06-91 CD-91-06 LD 1992 Model Year Fuel Economy Ranges

09-20-91 CD-91-07 LDV/HDE/ Solicitation of Comments on Proposcd
 MC/ICI/SM EPA Standardized Engine Family and
 Evaporative Family Names

12-12-91 CD-91-08 LDV/HDE/ Revised Engine Family name and New
 HDV/MC/ Evaporative Family Name
 ICI/SM

12-13-91 CD-91-09 LD/HD/MC Certification Branch Organization
 Changes



 MANUFACTURERS: GUIDANCE INDEX FOR 1992 LETTERS
 
 
DATE CD# TO SUBJECT

01-13-92 CD-92-01 LDV Tier 1 Phase-In for Small-Volume
 Aggregated Firms

03-19-92 CD-92-02 LDV, LDT Updated 1992 Model Year ICI Fuel
 Economy Ranges

05-18-92 CD-92-03 LDV, LDT, Waivers of Tier Particulate
 ICI/SM Matter Data Submittal Requirement
 or Otto-Cycle Vehicles

06-19-92 CD-92-04 LDV, LDT Manufacturer Use of Electric
 Dynos Alternative Test Equipment

06-22-92 CD-92-05 LDV, LDT Fuel Economy Label Information for
 1993 Model Year
 
07-01-92 CD-92-06 LDV, ICI, Calculation of Domestic Content for
 SM Carline Classification
 
07-06-92 CD-92-07 LDV, LDT, Implementation of the Motor Vehicle
 HDV, HDE, and Engine Compliance Program Fees
 MC, ICI, 
 SM

08-10-92 CD-92-08 LDV CAFE Adjustment Coefficient for 1992
 Model Year Passenger Automobiles

08-10-92 CD-92-09 LDV, LDT Cold CO Dynamometer/Road Load Issues

08-21-92 CD-92-10 LDV, LDT Listing Standards on Emission Labels

08-24-92 CD-92-11 Review/Approval of 1993 Model Year
 Guide Entries

09-04-92 CD-92-12 LDV 1993 Model Year Fuel Economy Ranges

09-28-92 CD-92-13 LDV, HD, Access to Confidential Business
 MC,SMV, Information (CBI) LIMO by Senior
 ICI, Environmental Enrollees

09-21-92 CD-92-14 LDV 48 Inch Single Roll Electric
 Dynamometers

09-25-92 CD-92-15 LDV 1994 Model Year Data Supplement

09-30-92 CD-92-16 LDV, LDT Cold Temperature CO Phase-in for Small
 Volume aggregated Firms

10-16-92 CD-92-17 LDV Workshop on New EPA Dynamometers

10-21-92 CD-92-18 LDV Change in Location of Dynamometer
 Workshop
 
12-14-92 CD-92-19 LDV, LDT, Revised EPA Test Request Form 
 SM, ICI, 
 LIMO

 MANUFACTURERS: GUIDANCE INDEX FOR 1993 LETTERS



 DATE CD# TO SUBJECT

02-02-93 CD-93-01 LDV/LDT/ Cold CO Dynamometer/Road Load 
 SM/ICI/LIMO Issues

02-12-93 CD-93-02 MC Motorcycle Data Input to EPA's Data Base 
 for 1994 MY

02-26-93 CD-93-03 LDV/LDT/ICI/ Data Transmittal to EPA's Data Base
 LIMO/SM


03-04-93 CD-93-04 LDV/LDT/ICI/ Submissions to the National Technical
 LIMO/SM/MC Information Services (NTIS)

03-24-93 CD-93-05 LDV/LDT/SVM/ Updated 1993 Model Year Fuel Economy
 ICI Ranges and 1993 Annual Fuel Cost for
 M85

03-12-93 CD-93-06 HHDD/MHDD/ Compression Ignition HD Engine - Spark
 LHDD/LHDV/ Ignition HD Engine - HD Vehicle - HD
 HDG/HDV Vehicle Evaporative Data Input to EPA's
 Data Base for 1994 MY

03-17-93 CD-93-07 LDV/LDT/SM/ICI Computer Update Workshop

03-30-93 CD-93-09 LDV/LDT/SM/ICI/ Computer Data Window
 HD/MC

04-16-93 CD-93-11 ICI/LDV/LDT/SM CAFE Adjustment Coefficient 93MY 
 Passenger Autos

04-22-93 CD-93-12 LDV/LDT/HD/MC/ New Procedure Obtain Test Car List, Fuel
 SM/ICI/LIMO Econ Guides & Fed Cert Test Results

05-20-93 CD-93-13 HD/ICI/LDV/LDT/ Solicitation of Comments on Proposed EPA
 SM Stand Evap Fam Name 96MY & Later MY

06-02-93 CD-93-14 LDV/LDT/SM/ICI/ Computer Data Window
 HD/MC

07-13-93 CD-93-15 LDV/LDT/ICI/SM Fuel Economy Label Info for 94MY

08-02-93 CD-93-16 LDV/LDT/ICI/SM 1994 Fuel Economy Data Submission

08-05-93 CD-93-17 LDV/LDT/ICI/SM/ Cross-Border Sales--Impact on Cold CO
 LIMO Phase-in Requirements

09-17-93 CD-93-18 LDV/LDT/ICI 94MY Fuel Economy Ranges

10-14-93 CD-93-19 LDV/LDT/ICI/HD/ Carryover of MY95 CARB Evaporative
 SM data

 MANUFACTURERS: GUIDANCE INDEX FOR 1994 LETTERS
 
Date CD# To Subject
01-10-94 CD-94--01 LDV Carryover and Carryacross of Model Year
 1995 California Durability Data

02-09-94 CD-94-02 (LDV/LDT/ICI/ Testing Vehicles Equipped with Daytime
 SM/LIMO) Running Lights

02-18-94 CD-94-03 (ALL) EPA Standardized Engine Family Names 
 For the 1995 MY

02-16-94 CD-94-04 (LDV) Tampering Protection Requirements of the
 On-Board Diagnostics Rulemaking

02-23-94 CD-94-05 (LDV/LDT/ICI/ Ballasting Procedure for Tier 1 HLDTs
 HD/SM)

02-25-94 CD-94-06 (LDV/LDT/SM/ Updated 1994 Model Year Fuel Economy
 ICI/LIMO) Ranges

03-23-94 CD-94-07 (ICI/LDV/ CAFE Adjustments Coefficient for 94 MY
 LDT/SM) Passenger Automobiles

03-01-94 CD-94-08 (LDV/ICI) Manufacturer Test Data Submission. Data
 Submission

03-24-94 CD-94-09 (HD/ICI/LDV/ Standardized Evaporative Family Name for
 LDT/SM) MY96 and Later

04-18-94 CD-94-10 (LDV/LDT/ Data Submittal for Enhanced Evaporative
 ICI/SM) Test Vehicles

05-31-94 CD-94-11 (LDV/LDT) Solicitation of Comments on Advisory 
 Circular 17F: General Criteria for 
 Carryover & Carry Across of Certification 
 Data and Carryover of Fuel Economy Data

06-20-94 CD-94-12 (LDV/LDT) Hood Position and Use of Fans and 
 Accessories in Conjunction with the 
 Certification Short Test

07-29-94 CD-94-13 (LDV/LDT/ Alternative Durability Guidance for MY94
 ICI/SM) through MY981

08-05-94 CD-14-94 (LDV/LDT/SM/ Fuel Economy Label Information for 1995
 ICI/LIMO) Model Year

08-05-94 CD-94-15 (LDV/LDT/ICI/ 1995 Fuel Economy Data Submission
 LIMO/SM)

08-05-94 CD-94-16 (LDV/LDT/SM/ Protocol for MPG Calculations for MPG 
 ICI/LIMO) Calculations for Vehicles Tested on 
 Phase II Gasoline

08-11-94 CD-94-17 (HD/NRHD) Notice of Workshop for Certification
 Implementaion Strategy for Nonroad
 Compression-Ignition Engines at or above 
 37 Kilowatts

09-09-94 CD94-18 (LDV/LDT/IC/) 1995 Model Year Fuel Economy Ranges


 MANUFACTURERS: GUIDANCE INDEX FOR 1995 LETTERS

Date CD # TO Subject

01/23/95 95-01 (LDV/LDT/HD/NRHD Reassignment of EPA
 /MC/SM/LIMO) Manufacturer Contacts

03/08/95 95-02 (LDV/LDT/ICI/HD/ Use of Carry-Across
 SM) Evaporative Emission
 Data

03/10/95 95-03 (HD) Declaration of 
 Emission Control for
 HD Engines to be
 Exported from the
 United States

03/27/95 95-04 (LD) OBD Direct Final 
 Rulemaking to Accept
 Revised CA OBD II
 Requirements

04/07/95 95-05 (LDV/LDT) Guidance on Require-
 ments Pertaining to 
 the Certification
 Short Test 

04/12/95 95-06 (LDV/LDT/LIMO/SM) Manufacturer 
 submittal 1994,
 1995 & 1996 Computer
 Data 

04/13/95 95-07 (LDV) Data Submission

05/04/95 95-08 (LDV) Analytical Derived Fuel
 Economy (ADFE)

06/01/95 95-09 (LDV/LDT/SM/ MPG Calculations for Certification 
 ICI/LIMO) Vehicles Tested on California Phase 
 2 Gasoline

06/09/95 95-10 (LDV/LDT/HDV/ Updated MVECP Fee Filing Form
 HDE/MC/ICI/SM)

07/11/95 95-11 (LDV/LDT/SMV) CFEIS briefing scheduled for 9/6/95

09/27/95 95-14 (LDV\LDT\HD\GF) Assigned Deterioration Factors for 
 Gaseous-Fueled Vehicles and Engines

05/02/96 (LD/HD) Small Vol Mfrs Instructions 5/96