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EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

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The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards.

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CARB approves updated “At-Berth” regulation, expanding efforts to cut pollution from ships in California ports

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The California Air Resources Board approved a new regulation designed to reduce pollution further from ocean-going vessels while docked at California’s busiest ports. The rule builds on progress achieved by the At-Berth Regulation adopted in 2007.

Pollution 305
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Mass spectrometer enhances SwRI’s USGR automotive catalyst testing

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The combination of technologies provides simultaneous FTIR and mass spectrometry data, allowing accurate and rapid identification of exhaust stream components. The mass spectrometer can detect a broader range of exhaust components, allowing a more complete picture of aftertreatment system performance. —Grant Seuser.

Pollution 305
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UC Riverside team wins EPA design contest with lawnmower exhaust aftertreatment device

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A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. A filter captures harmful pollutants.

Exhaust 261
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U. Houston-led project looking for new exhaust treatment catalysts for low-temperature lean-burn combustion engines

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million project to find new catalytic materials that work at lower exhaust temperatures, allowing automakers to build vehicles that operate more efficiently while retaining the ability to clean emissions before they leave the tailpipe. Catalytic converters clean vehicle exhaust into nitrogen, water and carbon dioxide.

Houston 170
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Long Beach Transit receives $600K grant for 40 Cummins near-zero CNG engines

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Long Beach Transit (LBT) recently received a $600,000 grant from the Mobile Source Air Pollution Reduction Review Committee (MSRC) of the South Coast Air Quality Management District Near Zero Incentive Program for the purchase of 40 Cummins “near-zero” compressed natural gas (CNG) engines. Earlier post.)

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China study connects ozone pollution to cardiovascular health

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Ozone is formed through a chemical reaction that occurs when sunlight interacts with nitrogen oxides and other organic compounds that are generated by coal-burning, vehicle exhaust and some natural sources. They monitored indoor and outdoor ozone levels, along with other pollutants.

Ozone 170