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RMIT researchers develop low-cost, reliable method to detect NO2; personal monitoring systems

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RMIT University researchers in Australia, with their colleagues in China, have developed a low-cost and reliable method of detecting nitrogen dioxide (NO 2 ), a significant air pollutant than contributes to more than seven million deaths worldwide each year, according to the World Health Organisation (WHO). —Ou et al.

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Hyliion and Cummins optimizing Cummins ISX12N natural gas engine as generator for Hypertruck ERX powertrain

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Cummins’ ISX12N ( earlier post ) will be optimized with the Hyliion Hypertruck ERX, so that it can use the existing 700 natural gas stations across North America for low-cost refueling. The ISX12N meets California ARB optional Low NO x standard of 0.02

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EPA Awards TDA Research, Inc. $225,000 for Development Process to Produce Low-Cost Biodiesel from Waste Feedstocks

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The US Environmental Protection Agency (EPA) has awarded TDA Research , Inc. TDA) a $225,000 Phase II Small Business Innovation Research (SBIR) grant to develop a process aimed at producing biodiesel from low-cost waste feedstocks. This new process will run on low-cost waste and recycled oils and fats.

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EPA awards $4.5M to advance air monitoring technology

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The US Environmental Protection Agency (EPA) will award a total of $4.5 million to six research organizations to develop and to use low-cost air pollution sensor technology, while engaging communities to learn about their local air quality. to design and conduct air quality monitoring studies.

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EPA tightens national annual PM2.5 standard to 12 µg/m3

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In response to a court order, the US Environmental Protection Agency (EPA) finalized an update to its national air quality standards for harmful fine particle pollution (PM 2.5 ), including soot, setting the annual health (primary) standard at 12 µg/m 3. EPA is also retaining the existing secondary standards (environmental) for PM 2.5

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EPA proposes updates to annual PM2.5 national air quality standard

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Source: EPA. The US Environmental Protection Agency (EPA) proposed updates to its national ambient air quality standards (NAAQS) for harmful fine particle pollution (PM 2.5 ). EPA’s proposal would strengthen the annual health standard for PM 2.5 EPA is proposing two options for this 24?hour Click to enlarge.

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Cummins Westport B6.7N natural gas engine receives near zero emissions certifications; full NG engine portfolio now certified near zero

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has received certifications from both the US Environmental Protection Agency (EPA) and California Air Resources Board (ARB) for its B6.7N meets California ARB optional Low NO x standard of 0.02 g/bhp-hr, a 90% reduction from engines operating at the current EPA NO x limit of 0.2 Cummins Westport Inc. natural gas engine.

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