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

SEPTEMBER 16, 2009

The US Environmental Protection Agency (EPA) will reconsider the 2008 primary and secondary ozone standards. In 2008, EPA established a new primary 8-hour standard for ozone of 0.075 parts per million (ppm), and a new secondary standard set at a form and level identical to the new primary standard. ppm standard, due to rounding.

Ozone 199

Ozone EPA Standards 2008 199

Green Car Congress

JANUARY 7, 2010

Counties projected to violate proposed Primary 8-hour Ground-Level Ozone Standards in 2020. The United States Environmental Protection Agency has proposed the strictest standards to date for ground-level ozone. EPA is proposing an accelerated schedule for designating areas for the primary ozone standard. Source: EPA.

Ozone 186

Ozone EPA Standards Arlington 186

Green Car Congress

JULY 25, 2009

Exposure to ozone at levels currently deemed safe by the NAAQS clean air standards can have a significant and negative effect on lung function, according to researchers at the University of California, Davis. The previous primary and secondary standards were identical 8-hour standards, set at 0.08 Earlier post.).

Ozone 186

Ozone Standards Clean Cleaning 186

Green Car Congress

SEPTEMBER 15, 2020

Under the proposed settlement, lodged with the US District Court for the District of Columbia, Daimler will recall and repair the emissions systems in Mercedes-Benz diesel vehicles sold in the United States between 2009 and 2016 and pay $875 million in civil penalties and roughly $70.3 million in other penalties.

District of Columbia 286

District of Columbia Emissions Diesel Mercedes 286

Green Car Congress

JULY 19, 2013

Details of each of the three cases are as follows: Chevron paid $205,000 for supplying more than 385,000 gallons of gasoline in violation of California reformulated gasoline regulations between mid-June 2009 and Aug. Dispensed from Chevron terminals in Sacramento and San Jose, the fuel did not contain adequate amounts of ethanol.

Chevron 230

Chevron California San Jose Fuel 230

Green Car Congress

JULY 19, 2009

ozone, PM) problems may be less pressing. Rasdorf (2009) Life Cycle Inventory Energy Consumption and Emissions for Biodiesel versus Petroleum Diesel Fueled Construction Vehicles. Further studies are needed to improve confidence in vehicle emission factors, which were a key source of uncertainty in LCI emissions, are needed. Pang et al.

Pollution 150

Pollution Vehicles North Carolina Diesel 150