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Study shows biodiesel blends in buses reduce PM, other harmful exhaust elements, EC and CO

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Before they can be used, however, it is essential to understand their physical properties, combustion chemistry, and characterization of the exhaust due to a number of issues associated with fuel properties—for example, a lower heating value and higher cloud point than regular diesel. Kumar et al.

Exhaust 312
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Researchers devise method to suppress thermal conductivity to improve thermoelectric materials for waste heat recovery

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A new study published in the journal Nature Materials has found a way to suppress the thermal conductivity in sodium cobaltate so that it can be used to harvest waste energy, with potential applications such as automotive waste heat recovery. CoO 2 , which has a large-period superstructure. —Voneshen et al. Gutmann, M.

Waste 186
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ARPA-E awarding $39M to 16 projects to grow the domestic critical minerals supply chain

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Olivine is a CO 2 -reactive waste product that can be returned as tailings after capture carbon from the air. Travertine will launch a transformative process that integrates strong acid treatment of mining waste or tailings with electrolytic acid recycling. Pacific Northwest National Laboratory. University of Nevada, Reno.

Supplies 345
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Advances in the conversion efficiency of thermoelectric materials

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Two separate research collaborations have recently reported advances in the efficiency of thermoelectric materials in converting heat to electricity. for the materials and possibly good enough for consideration for waste heat recovery in automotive exhaust systems. The study by Yan et al. The study by Biswas et al.

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ARPA-E awards $55M to 18 projects in two new programs: TERRA for transportation energy and GENSETS for distributed generation

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Breeding High Yielding Bioenergy Sorghum for the New Bioenergy Belt Clemson University, along with the Carnegie Mellon Robotics Institute and partners, will phenotype an exhaustive set of international germplasm and plant varieties. Clemson University. Tour Engine. High Efficiency Split-Cycle Engine for Residential Generators Tour Engine Inc.