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• Air Resources Board Approves Staff's Progress Report on Fuels, Low-Emission Vehicles (page 1)

• CARB Adopts New Emission Control System Warranty Regulations and Supports Service Industry Request to Ignore Federal Warranty Requirements (page 7)

• CARB Formally Identifies Districts Affected by Transported Air Pollutants - Impacted Districts Given Extra Time to Prepare Air Quality Plans (page 8)

• CARB Discusses Proposed Changes to Certification Procedures for Aftermarket Alternative Fuel Retrofit Systems (page 10)

• CARB Photochemical Air Quality Modeling Guidance Discussed at Consultation Meeting (page 12)

February 1990 – [Top Page]

• CARB Publishes Rulemaking Calendar for 1990 - Proposals Include Revised Medium/Light-Heavy Truck Standards, Evaporative Emissions Test Procedure Changes, New Fuel Specifications, and "Low-Emission Vehicle" Regulations (page 1)

• Early Legislation Activity Focussed on CFC's From Vehicle Air Conditioners - 1995 Model Year Ban, Inspection Program, and Recycling/Recovery Program Would Be Established (page 5)

• I/M Review Committee Meets - New Unregistered Vehicle Survey Results Indicate Less Than 2% of Vehicles Subject to I/M Remain Unregistered for More Than One Year - Plans Outlined for Second Evaluation of California Smog Check Program - 1200 Vehicles to be Followed for Two Years (page 8)

• Board Reaffirms Carbon Monoxide Air Quality Standard - No Changes to be Made (page 11)

March 1990 – [Top Page]

• Latest Smog Chamber Studies Show Photochemical Reactivity Advantages of M85 Vehicle Exhaust Have Been Greatly Exaggerated - Latest Analysis Shows Gasoline Cars Produce Less Smog Per Gram of OMHCE Emission - Despite That, CARB's Plans for "Clean Fuels" and "Low Emission Vehicles" Become Even More Ambitious (page 2)

• CARB Staff Proposes Standards for Farm and Construction Equipment - 2.0 Gram/BHP-HR NOx Standard Would Eliminate Diesels (page 19)

• 3-Day Test With 105ø Temperatures Discussed at CARB Workshop on Evaporative Emission Standards and Test Procedures - 1993 Implementation Target Appears Impractical (page 20)

• Board Adopts Minor Changes to Aftermarket Parts Certification Requirements (page 25)

• Board Adopts "Guidance" for Local Air Districts on Transportation Control Measures - blah blah blah blah blah blah blah (page 27)

• Legislation Update - (page 28)

April 1990 – [Top Page]

• South Coast District Holds Workshop on Rule That Would Require Fleets to Use "Low Emission Vehicles" - SCAQMD Staff Claims Complying Vehicles Are Already Available (page 1)

• Latest CARB Plans for Gasoline Regulations Discussed at Workshop - 0.8% Benzene, 8.0 psi RVP, and Deposit Control Additives Will Be Proposed for Adoption (page 7)

• Deposit Control Additives To Be Required For Diesel Fuel Under CARB Staff Proposal - Winter Season Sulfur Standard Exemption for High Altitude Areas Proposed To Be Eliminated (page 19)

• Stringent New Standards for Farm and Construction Equipment Discussed at CARB Workshop - CARB Says Proposed Standards Could Be Met With "Clean" Fuels (page 21)

• Indirect Source Review Proposal Discussed at CARB Workshop - Will Shopping Malls and Subdivisions Require Emissions Offsets? (page 28)

• 1200 Vehicle/2-Year Test Program For Second Evaluation of California I/M Program Discussed at Meeting of California I/M Review Committee (page 33)

• Legislation Update (page 35)

May 1990 – [Top Page]

• Recommended CARB Procedure for Ranking Emissions From Alternative Fuels Shows Methanol Vehicles Would Increase Ambient Ozone Levels (page 1)

• Flaws in Previous Analysis of Gasoline vs. Methanol Identified at Meeting of CARB Advisory Committee on Ozone Equivalency Calculations - Mobil Analysis of Concludes No Ozone Benefit for Methanol (page 3)

• Interim Gasoline Regulations Firming Up As CARB Continues Workshop Process - Mandates for Sale of Clean Fuels Becoming More Complex (page 7)

• Smog Check Program Update - High Failure Rate Continues as Program Enters Sixth Year (page 14)

• Legislation Update (page 20)

• Rulemaking Calendar Update (page 25)

June 1990 – [Top Page]

• CARB Staff Proposes New Schedule for "Low Emission Vehicles" and "Clean Fuel" Production - Discounting of Alcohol Emissions No Longer Allowed for Methanol Vehicles - Phase-in of In-Use Compliance Targets and Emissions Standards Averaging Added, But Proposal Still Requires Breakthrough in Gasoline-Vehicle Control Technology or Switch to Natural Gas (page 1)

• Legislation Update - Numerous Bills Relating to CFC Use Prohibitions and Higher Vehicle Registration Fees Make Progress (page 9)

• Rulemaking Calendar Update (page 15)

July 1990 – [Top Page]

• CARB Staff Holds Final Workshop on "Low Emission Vehicles" and "Clean Fuel" Production Regulations - CARB Staff Shows No Sign of Relaxing Proposed Phase-in of Requirements for Exhaust Standards of 0-0.075 g/mi Non-Methane Organic Gas (page 1)

• Board Adopts New Standards and Test Procedures for Medium- and Light-Heavy-Duty Vehicles - Higher Cargo Load Must Be Simulated During Tests and Control Required Is Equivalent to 0.25 g/mi HC, 3.4 g/mi CO, and 0.4 g/mi NOx for Passenger Cars (page 11)

• Board Eliminates Sulfur Standard Exemption for Diesel Fuel Sold at High Altitude During Cold Weather - Oil Industry Agrees That Exemption Isn't Needed (page 16)

• Board Adopts Plan to Control Toxic Emissions From Mobile Sources - Staff Recommends Keeping Focus on Total Hydrocarbon Control and Board Agrees (page 16)

• CARB Staff Holds Another Workshop on the Control of "Indirect" Sources - Flimsy "Technical" Analyses and Fuzzy Control Concepts Continue to Plague Program (page 17)

• Legislation Update - (page 31)

• Rulemaking Calendar Update (page 39)

August 1990 – [Top Page]

• CARB Staff Proposes All New Evaporative Emissions Standards and Test Procedures - Running Loss Emissions and Multiday "Diurnal" Emissions Control to be Phased-in Beginning With the 1995 Model Year (page 1)

• CARB Staff Proposes Roadside Test Procedure and Emission Standards for Control of Smoking Diesel Trucks - Highway Patrol to Assist in Program Enforcement at Roadside Inspection Facilities (page 5)

• I/M Review Committee Discusses Emissions Inventory Uncertainties and CARB Plans for Improving the Quality of Vehicle Emissions Estimates - "Off-Cycle" Emissions Receiving Increased Focus - Final Results of Unregistered Vehicle Study Indicate Less Than 2% of Vehicles Avoid I/M Program for More Than One Year (page 9)

• CARB Approves "Guidance" to Local Districts on the Control of Emissions from "Indirect Sources" - Guidelines for Reducing the Vehicle Emissions Impact of Growth and Development are So Vague as to be Essentially Meaningless (page 14)

• Legislation Update (page 19)

• Rulemaking Calendar Update (page 28)

September 1990 – [Top Page]

• Board Adopts Staff Recommended Changes to Evaporative Emissions Test Procedures - Running Loss Emissions Control, Multiple Diurnals, and Higher Temperature Testing Phase-In Begins with 10% of 1995 Models (page 1)

• Board Approves Report to Legislature with no Recommendation for a California CFC Control Program - Staff Convinces Board That CFC Demand Will Exceed Supply Regardless of California Action (page 18)

• Final Staff Proposal for Low Emission Vehicles and "Clean" fuels is Even Tougher Than Earlier Proposals - Larger Manufacturers Would Be Required to Start Selling Electric Cars by 1998 (page 26)

• CARB Staff Proposes Reducing Gasoline Volatility to 7.8 RVP, Requiring Use of Deposit Control Additives, and Banning Leaded Gasoline Sales (page 37)

• Legislation update - 1990 Session Ends With Flurry of Activity (page 41)

• Regulation Calendar Update (page 47)

October 1990 – [Top Page]

• "Low Emission Vehicle" Regulations Adopted After CARB Drops Alternative Fuel Sales Mandate - GM/CARB Deal Allows Manufacturers to Carry Emission "Deficits" For Up To Three Years, Avoiding the Need to Produce "Transitional Low Emission Vehicles" (page 1)

• "Phase 1" Regulations Adopted for Reformulated Gasoline Without Opposition - 7.8 RVP, Deposit Control Additives, and Leaded Fuel Ban Required By 1992 (page 22)

• Report for I/M Review Committee Concludes That "Remote Sensing" Is Unacceptable Replacement for Conventional Vehicle Inspection and Maintenance Programs - Diesel I/M to be Studied by CARB (page 24)

• CARB Staff Discusses Possible Control of Locomotive Emissions at Workshop (page 28)

• Legislation Update - Governor Deukmejian Makes Liberal Use of His Veto Power (page 32)

• Regulation Calendar Update (page 36)

November 1990 – [Top Page]

• Clean Air Act Amendments Not Expected to Affect California Requirements for "Low Emission Vehicles" - CARB Staff Moves Ahead with Development of Regulations for Off-Road Vehicles Despite Federal Preemption (page 1)

• CARB Staff Proposes Regulations for Roadside Smoke Inspections of Heavy-Duty Diesels (page 4)

• Air Quality Trends Update - Slight Improvements in Air Quality Recorded During 1989 (page 4)

• Smog Check Program Update - First Analysis of I/M Data Since January 1990 Changes Shows Improvement Mechanic Performance and Lower Waiver Rate (page 19)

• Regulation Calendar Update (page 26)

December 1990 – [Top Page]

• Board Adopts New Program to Test Diesel Trucks for Excessive Smoke - Peak Opacity of 55% Allowed During First Year of Testing (page 1)

• Diesel Fuel Aromatic Content Regulations Discussed at Workshop CARB Workshop - Staff Proposes Eleventh-Hour Changes to Tighten Provisions Allowing Demonstration of Emissions Equivalency for Non-Complying Fuels (page 11)

• Earlier Proposal for Off-Road Construction Equipment Emission Standards Relaxed Substantially - CARB Staff Says It May Even Abdicate to EPA (page 16)

• CARB Holds Workshop on Control of Emissions From Marine Vessels - Large NOx Emission Reductions Appear to be Achievable Without Engine Design Changes (page 21)

• South Coast Air Quality Management District Proposes CFC Recycling Regulation in Spite of Total Lack of Air Quality Benefits (page 31)

• Regulation Calendar Update (page 32)