2008 Emissions Ozone United States 
Green Car Congress
MAY 12, 2020
Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. Maybe this unintended experiment could be used to understand better the emission regulations.
Green Car Congress
JANUARY 21, 2010
Springtime ozone distributions for 1984, 1995–2008 in the mid-troposphere (3.0–8.0 Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. km), and air mass source regions. Credit: Nature, Cooper et al.
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.
Green Car Congress
OCTOBER 15, 2009
The existing US NO x cap-and-trade program lowered 2008 summertime NO x emissions from power plants and large industrial sources 62% compared to year 2000 levels and 75% lower than in 1990, according to a report released by the US Environmental Protection Agency (EPA). Source: EPA. Click to enlarge.
Green Car Congress
MAY 26, 2018
Over the next 10 years this plan will put in place not only tools to clean up VW’s excess emissions, but also to help achieve further reductions of smog-forming pollution for decades to come. The mitigation plan approved by CARB will invest primarily in zero emission replacements for heavy-duty trucks, buses and equipment.
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. The engines also lacked two-year emissions-related warranties, as required by law. and Tool Mart, Inc. It can also worsen bronchitis, emphysema and asthma.
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. The engines also lacked two-year emissions-related warranties, as required by law. and Tool Mart, Inc. It can also worsen bronchitis, emphysema and asthma.
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