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.
Green Car Congress
OCTOBER 23, 2020
California’s latest greenhouse gas data shows that while the state continues to stay below its 2020 target for emissions, there is much more work to do to achieve carbon neutrality by 2045. Per capita GHG emissions in California have dropped from a 2001 peak of 14.0 tons per person to 10.7 tons per person in 2018, a 24% decrease.
Green Car Congress
SEPTEMBER 25, 2016
These were shown to be ozone-depleting, however, and were targeted for phasing out under the 1987 Montreal Protocol. China fully embraced HFC-134a in 2001 when it implemented its obligations under the 1987 Montreal Protocol. These older systems used chlorofluorocarbons (CFC-12) as the refrigerant gas.
Green Car Congress
APRIL 2, 2009
The on-road transportation (ORT) and power generation (PG) sectors are major contributors to CO 2 emissions and a host of short-lived radiatively-active air pollutants, including tropospheric ozone and fine aerosol particles, that exert complex influences on global climate. Unger et al. Click to enlarge.
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