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 21, 2009

Reducing emissions of black carbon soot and ground-level ozone would quickly make a considerable dent in the climate change problem and would also contribute to public health and protect crop yields, according to an essay in the September/October issue of Foreign Affairs. Besides a danger to breathe, ozone lowers crop yields.

Climate Change 262

Climate Change Ozone Climate Carbon 262

Green Car Congress

SEPTEMBER 26, 2009

Additional diesel PM reductions in 18 major CA railyards with five new locomotive measures. While we are pleased to have already reduced diesel emissions at the rail yards, it’s not enough. Source: Staff presentation. With Five Locomotive Measures Click to enlarge. Total cost of those five measures is estimated to be $3.9

Diesel 170

Diesel California Emissions 2007 170

Green Car Congress

APRIL 4, 2011

million metric tons of avoided ozone-related yield losses of major food crops; $US0.6-2.4 Impacts of worldwide vehicle emissions in 2030 compared with 2000. While reductions in particulate matter tend to produce local health benefits, the scientists found health and agricultural benefits from reduced ozone disperse more widely.

Climate 231

Climate Standards Emissions Climate Change 231