2007 2012 Gas Ozone 
Green Car Congress
AUGUST 12, 2016
The first peer-reviewed study to directly quantify how emissions from oil and natural gas (O&NG) activities influence summertime tropospheric ozone (O 3 ) pollution in the Colorado Front Range confirms that chemical vapors from oil and gas activities are a significant contributor to the region’s chronic ozone problem.
Green Car Congress
AUGUST 14, 2019
The California Air Resources Board’s latest state inventory of greenhouse gas emissions shows that California’s GHG emissions continue to decrease. Emissions from transportation sources were relatively constant from 2002 through 2007, declined through 2013, then increased by 9.0 Source: ARB. MMTCO 2 e (6%) from 2013 to 2017.
Green Car Congress
SEPTEMBER 26, 2009
The top set of recommendations call for: Replacing existing switch and medium horsepower locomotives with cleaner locomotives (2010-2013); Retrofitting switch and medium horsepower locomotive with particulate matter and oxides of nitrogen (NO x ) after-treatment devices (2012-2016); and. NO x helps create ground-level ozone, or smog.
Green Car Congress
OCTOBER 29, 2010
The California Air Resources Board released its proposed greenhouse gas cap-and-trade regulation. A key part of ARB’s AB 32 Scoping Plan ( earlier post ), the cap-and-trade program provides an overall limit on the emissions from sources responsible for 85% of California’s greenhouse gas emissions. Offset Protocols.
Green Car Congress
JUNE 8, 2015
In addition to the direct benefits of storing carbon, wood products have also been shown to have fewer associated greenhouse gas emissions compared with concrete or steel. —Jones and O’Hara (2012). ozone depletion potential (ODP). photochemical ozone creation potential. Calculating stored carbon; “additionality”.
Green Car Congress
APRIL 1, 2009
The bill also modifies the Clean Air Act to require the development of greenhouse gas emissions standards for all other mobile sources—e.g., Within three years of enactment, the EPA would need to determine the lifecycle greenhouse gas emissions of all transportation fuels and determine the fuel emission baseline.
Green Car Congress
MARCH 8, 2013
While last year it appeared that the auto industry as a whole would shift to R-1234yf, in September 2012, Daimler said that internal testing had identified safety (flammability) issues under certain conditions, and that it would not use R-1234yf in its products. The current work following Daimler’s balk in September 2012 is the fourth.
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