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

AUGUST 14, 2019

while the carbon intensity of its economy declined by 4.5%. Emissions from transportation sources were relatively constant from 2002 through 2007, declined through 2013, then increased by 9.0 These reductions have occurred while California’s economy has continued to grow. Compared to 2016, California’s GDP grew 3.6% Source: ARB.

2017 230

2017 2016 Transportation Emissions 230

Green Car Congress

MAY 18, 2009

In testimony for the US Environmental Protection Agency (EPA) public hearing ( earlier post ) on the proposed endangerment finding for greenhouse gas emissions under the Clean Air Act ( earlier post ), Stanford Professor Mark Jacobson urged the EPA to include black carbon in the finding. F, with about 40% due to ozone. Earlier post.).

Carbon 150

Carbon EPA Pollution Ozone 150

Green Car Congress

MARCH 1, 2011

Between 2002 and 2008, PowerTrain imported 79,830 nonroad engines or pieces of equipment into the US that were not covered by a Clean Air Act-required certificate of conformity. They will also offset the excess emissions of hydrocarbons, nitrogen oxides, and carbon monoxide resulting from the sale of the illegal engines and equipment.

Clean 186

Clean Cleaning District of Columbia Standards 186

Green Car Congress

FEBRUARY 28, 2011

Between 2002 and 2008, PowerTrain imported 79,830 nonroad engines or pieces of equipment into the US that were not covered by a Clean Air Act-required certificate of conformity. They will also offset the excess emissions of hydrocarbons, nitrogen oxides, and carbon monoxide resulting from the sale of the illegal engines and equipment.

Clean 186

Clean Cleaning District of Columbia Standards 186

Green Car Congress

OCTOBER 20, 2012

Panels show (a) PM 2.5 , (b) elemental carbon (EC), (c) NO x , (d) CO, (e) formaldehyde, and (f) sum of target VOCs. Among the findings were that at idle, B20 increased engine-out and DOC-out emission rates of CO, NMHC, PM 2.5 , elemental carbon (EC), formaldehyde, benzene, and other VOCs (volatile organic compounds) for both the 1.7

Pollution 231

Pollution Diesel Emissions Engine 231

Green Car Congress

FEBRUARY 11, 2014

The update identifies eight key sectors for ongoing action: Energy; Transportation, fuels, land use and infrastructure; Agriculture; Water; Waste management; Natural lands; Short-Lived Climate Pollutants (such as methane and black carbon); and Green Buildings. Background.

Transportation 273

Transportation Emissions California Ozone 273