Green Car Congress

SEPTEMBER 9, 2011

US EPA Region 9 8-hour ozone trends, 1979-2000. These State Implementation Plans (SIPs) are the roadmaps to meeting the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) of 0.08 In 1997, EPA first established the 8-hour ozone standard, which replaced the older 1-hour ozone standard (0.12 Source: EPA.

Ozone 236

Ozone EPA Pollution 2002 236

Green Car Congress

NOVEMBER 14, 2018

The CTI will include a future rulemaking that will update the existing NO x standard which was last set in 2001 while also streamlining compliance and certification requirements. EPA last revised NO x standards for on-highway heavy-duty trucks and engines in January 2001. The Agency is not required by statue to update the standard.

EPA 249

EPA Cleaner Standards 2001 249

Green Car Congress

JANUARY 7, 2020

However, 100 million people live in areas of nonattainment for ozone and particulate matter (PM), and according to EPA estimates, heavy-duty vehicles will continue to be one of the largest contributors to NO x emissions—a precursor of ozone and PM formation—from the transportation sector in 2025.

EPA 150

EPA Ozone Cleaning Clean 150

Green Car Congress

OCTOBER 23, 2020

Per capita GHG emissions in California have dropped from a 2001 peak of 14.0 in 2018 (2000-2018 average year-over-year increase is 6.8%), continuing the increasing trend as they replace Ozone Depleting Substances (ODS) being phased out under the 1987 Montreal Protocol. tons per person to 10.7 tons per person in 2018, a 24% decrease.

2020 221

2020 Emissions California 2018 221

Green Car Congress

FEBRUARY 20, 2009

The settlement addresses the company’s noncompliance with a 2001 consent decree and Clean Air Act regulations requiring strict controls on benzene and benzene-containing wastes generated during petroleum refining operations.

Texas 150

Texas Ozone Diesel Parts 150

Green Car Congress

MARCH 3, 2017

Each year, the Environmental Protection Agency (EPA) regulates RVP for gasoline and gasoline-ethanol blended during the summer ozone season from 1 June until 15 September. The purpose of the regulation is to reduce evaporative emissions of volatile organic compounds (VOC) that contribute to ground-level ozone.

Ozone 150

Ozone Gasoline EPA Iowa 150

Green Car Congress

APRIL 18, 2016

The study involved children (age range, 5-18 years) from 3 groups, and was conducted during the 1993-2001, 1996-2004, and 2003-2012 years in 8 Southern California communities. Kiros Berhane, Ph.D., A model was used to estimate the association of changes in pollution levels with bronchitic symptoms.

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Pollution Los Angeles California Ozone 150