2014 Commercial Gas Ozone 
Green Car Congress
MARCH 1, 2012
technologies on the cusp of commercialization with the potential for significant targeted reductions in criteria pollutants and overall greenhouse gas emission. NO x emissions are important because of their role in the formation of ozone and secondary PM. All work must be completed by 30 June 2014. reductions.
Green Car Congress
MAY 16, 2014
The First Update will be presented to the Board on 22 May 2014 for consideration for approval. The AB 32 Scoping Plan, which guides development and implementation of California’s greenhouse gas emission reduction programs. The Air Resources Board is required to update the Scoping Plan every five years.
Green Car Congress
OCTOBER 16, 2015
Specifically, the proposed rule updates the current prohibition under section 608 of the Clean Air Act against knowingly venting, releasing or disposing of ozone-depleting (ODS) and substitute refrigerants and extends the requirements, as appropriate, to non-ozone-depleting substitute refrigerants, such as hydrofluorocarbons (HFCs).
Green Car Congress
FEBRUARY 5, 2020
The transportation sector was responsible for over 7 million tons of NO x emissions in the US in 2014, with 50% of this sector’s NO x attributed to heavy-duty on- and off-road vehicles and equipment. NO x is a precursor for both ground level ozone and secondary PM 2.5 Chart: MECA.
Cars That Think
DECEMBER 19, 2021
Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather? 2014 research paper.
Green Car Congress
APRIL 13, 2023
The medium-duty vehicle standards continue to be based on a work-factor metric designed for commercially-oriented vehicles, which reflects a combination of payload, towing and 4-wheel drive equipment. This proposed standard would revise the existing PM standards established in the 2014 Tier 3 rule.
Green Car Congress
FEBRUARY 11, 2014
The California Air Resources Board released the draft proposed first update to the AB 32 Scoping Plan, which guides development and implementation of California’s greenhouse gas emission reduction programs. The Air Resources Board is required to update the Scoping Plan every five years.
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