Update on US EPACookstove Research and Activities

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Jim Jetter

ETHOS 2017, Kirkland, WA

Overview• EPA STAR grants• Field testing• Health effects research• Life-cycle assessment• Wood and coal heating stoves• Recent publications• Capacity building – testing centers• Technical support – ISO TC 285• Questions and discussion

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STAR GrantsHealth and Climate Impacts of Residential Biomass or CoalCombustion for Cooking, Heating, and LightingTerry Keating, US EPA

• Experimental Stove Interventions in Northern and Southern IndiaRob Bailis, Yale University / Stockholm Environment Institute

• Health Impacts of Household Energy Intervention in TibetJill Baumgartner, University of Minnesota / McGill University

• Mapping Feasible Residential Solutions for Cooking and HeatingTami Bond, University of Illinois, Urbana-Champaign

• Cooking and Lighting in GhanaMichael Hannigan, University of Colorado, Boulder

• Household Sources of Primary and Secondary PM in Northern IndiaKirk Smith, University of California, Berkeley

• Quantifying Cookstove Emissions Relevant for Impact AssessmentJohn Volkens, Colorado State University

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Webinarshttp://www.tractionproject.org/resources/household-air-pollution/lessons-learned-adoption-clean-cooking-webinarhttps://www.epa.gov/research-grants/star-measurements-and-modeling-quantifying-air-quality-and-climatic-impacts

Cookstove Research and Activities• Field testing – training and capacity building

John Mitchell, US EPA

• Health effects researchMutagenicity and Pollutant Emission Factors of Solid-Fuel Cookstoves:Comparison with Other Combustion SourcesDavid DeMarini, US EPAhttps://ehp.niehs.nih.gov/15-09852/

• Life-cycle assessmentLife-Cycle Assessment of Cookstove Fuels in India and ChinaSusan Thorneloe, US EPAhttps://cfpub.epa.gov/si/si_public_record_report.cfm?dirEntryId=322551

• Wood and Coal Heating Stoves – Navajo NationKathleen Stewart, US EPAhttps://blog.epa.gov/blog/2016/06/ej-cleanstoves/

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Publications

• Recently acceptedPolycyclic aromatic hydrocarbon in fine particulate matter emitted from burningkerosene, liquid petroleum gas, and wood fuels in household cookstovesGuofeng Shen, William Preston, Seth Ebersviller, Craig Williams, JerrollFaircloth, Jim Jetter, Michael Hays

• In reviewEmission factors, number size distributions and morphology of ultrafine particlesin cookstove smoke: A laboratory comparison of different household stove-fuelsystemsGuofeng Shen, Chethan Gaddam, Seth Ebersviller, Randy Vander Wal, CraigWilliams, Jerroll Faircloth, Jim Jetter, Michael Hays

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Recent EPA Reports –Emissions and Fuel Efficiency

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BioLiteHomeStove

CleanCookModel A1

InStove60-Liter Ecocina

Available at: https://cfpub.epa.gov/si/

Capacity Building –Regional Testing Centers

Kampala, UgandaAug-2016

La Paz, BoliviaNov-2016

Technical support – ISO TC 285

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Standard Test Sequence,Forced-Draft Stove – Test Data

HighPower

MediumPower

LowPower

Forced-Draft Stove – CO and PM2.5 Data

Forced-Draft Stove – Test Data

Note: CO2 concentration is an indicator of the fuel burning rate and firepower

Experimental Results Using TestingProtocol Under Development byISO TC 285 Working Group 2

Power Level High Medium Low

Cooking Power (W) 1690 1513 960

Thermal Efficiency w/o char (%) 37.7 40.4 41.9

Thermal Efficiency w/ char (%) 39.3 43.6 46.7

PM2.5 per useful energy(mg/MJ)

- 47.2 56.5

CO per useful energy (g/MJ) 3.76 1.88 2.15

PM2.5 emission rate (mg/h) - 257 195

CO emission rate (g/h) 22.9 10.2 7.4

Acknowledgements(alphabetical)• Seth Ebersviller, EPA Post-Doctoral Fellow

• Jerry Faircloth, Jacobs Inc. Laboratory Operations• Dale Greenwell, EPA Instrumentation• Michael Hays, EPA OC/EC Analysis• Amara Holder, EPA Aerosol Instrumentation• Laura Nessley, EPA Quality Assurance• Bakul Patel, EPA OC/EC Analysis• Chris Pressley, EPA Electronics Shop• Guofeng Shen, EPA/ORISE Post-Doctoral Fellow• Michael Tufts, Arcadis U.S., Inc. Metrology Laboratory• Richard Valentine, EPA Facilities• Craig Williams, Jacobs Inc. Laboratory Operations• Robert Wright, EPA Quality Assurance 13

Overview• EPA STAR grants• Field testing• Health effects research• Life-cycle assessment• Wood and coal heating stoves• Recent publications• Capacity building – testing centers• Technical support – ISO TC 285• Questions and discussion

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Reference: Berkeley Air Monitoring Grouphttp://www.pciaonline.org/files/PCIA_Aug11_Webinar_FieldTestResults_FINAL.pdfJohnson MA, et al, Impacts on household fuel consumption from biomass stove programs in India,Nepal, and Peru, Energy for Sustainable Development 2013. http://dx.doi.org/10.1016/j.esd.2013.04.004

Laboratory (WBT) and Field (KPT) Testing Results