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. —Acting EPA Administrator Andrew Wheeler.

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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 Clean Cleaning 150

Green Car Congress

FEBRUARY 20, 2009

has agreed to spend more than $161 million on pollution controls, enhanced maintenance and monitoring, and improved internal management practices to resolve Clean Air Act violations at its Texas City, Texas refinery. BP Products North America Inc. The company will also pay a $12 million civil penalty. The plea is still under review by the US.

Texas 150

Texas Ozone Diesel Parts 150

Green Car Congress

MARCH 3, 2017

The bill would amend the Clean Air Act to extend the Reid vapor pressure (RVP) waiver to ethanol blends above 10%. 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. US Senators Deb Fischer (R-Neb.),

Ozone 150

Ozone Gasoline EPA Iowa 150

Green Car Congress

SEPTEMBER 25, 2016

These were shown to be ozone-depleting, however, and were targeted for phasing out under the 1987 Montreal Protocol. China fully embraced HFC-134a in 2001 when it implemented its obligations under the 1987 Montreal Protocol. These older systems used chlorofluorocarbons (CFC-12) as the refrigerant gas.

China 150

China Ozone Fuel Economy United States 150

Green Car Congress

APRIL 2, 2009

The on-road transportation (ORT) and power generation (PG) sectors are major contributors to CO 2 emissions and a host of short-lived radiatively-active air pollutants, including tropospheric ozone and fine aerosol particles, that exert complex influences on global climate. Unger et al. Click to enlarge.

Climate 150

Climate Emissions Transportation Climate Change 150