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EPA launches Cleaner Trucks Initiative to update NOx standards for heavy-duty trucks

Green Car Congress

The CTI will include a future rulemaking that will update the existing NO x standard which was last set in 2001 while also streamlining compliance and certification requirements. It is estimated that heavy-duty trucks will be responsible for one-third of NO x emissions from the transportation sector in 2025.

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EPA issues ANPR on Clean Trucks Initiative, seeking input from public and stakeholders

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However, 100 million people live in areas of nonattainment for ozone and particulate matter (PM), and according to EPA estimates, heavy-duty vehicles will continue to be one of the largest contributors to NO x emissions—a precursor of ozone and PM formation—from the transportation sector in 2025.

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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

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The data shows a slight increase in overall emissions from the previous year, and a slight decline in emissions from transportation, which is the state’s main source of both GHGs and air pollutants. Transportation emissions declined 1.5 Per capita GHG emissions in California have dropped from a 2001 peak of 14.0

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Study Highlights the Importance of Considering Climate Effects of Non-CO2 Emissions from Transport in Mitigation Strategies and Policies

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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. database) from another global inventory for the year 1996.

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ICCT study finds that transitioning to low-GWP MAC refrigerants in China could avoid up to US$150B in costs

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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.

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National Academies release third review of the 21st Century Truck Partnership

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researching, validating, and deploying technologies and methods that save fuel through more efficient operations of trucks and transportation systems. The 21CTP was formed in 2001 to reduce fuel usage and emissions in trucks of Classes 3 through 8. Significant progress has made since the Academies issued its first report in 2008.

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