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Calif. ARB releases GHG scoping plan update; more ZEVs, “LEV IV”, MD and HD regulations; ZEV for trucks; more LCFS

Green Car Congress

Mandatory regional criteria pollutant reduction targets will be established in the 2016 State Implementation Plans (SIPs) with expected reductions on the order of 90% below 2010 levels in the South Coast and similar reductions in the San Joaquin Valley by the year 2032. Background. million zero emission vehicles on its roads by 2025.

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Study associates acute exposure to higher ozone levels to higher risk of cardiac arrest

Green Car Congress

Exposure to higher ozone concentrations in the air is significantly associated with a higher risk of out-of-hospital cardiac arrest (OHCA), according to preliminary research to be presented at the American Heart Association’s Resuscitation Science Symposium 2020. Participants were age 63 years on average, 61% were men and 53% were non-white.

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California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

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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.

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New CE-CERT report finds Cummins Wesport ISL G near-zero gas engine performs with lower NOx than EPA certification standard over range of cycles

Green Car Congress

Cummins Westport ISL G near-zero (NZ) natural gas engine ( earlier post ) meets and exceeds the certification standards during a full range of duty cycles. The engine was certified in the fall of 2016 by the EPA and the California Air Resources Board (CARB) to 0.02 With the 2010 NO x certification limit of 0.2g/bhp-hr,

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Study identifies Bakken Formation alone as responsible for ~2% of global ethane emissions

Green Car Congress

Ethane reacts with sunlight and other molecules in the atmosphere to form ozone, which at the surface can cause respiratory problems, eye irritation and other ailments and damage crops. A snapshot from a simulation of how Bakken oil field hydrocarbon emissions including ethane affect North American ground-level ozone concentrations.

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