Stephen Kaffka

  • Dr. Stephen Kaffka is Director of the California Biomass Collaborative and extension specialist in the Department of Plant Sciences at the University of California, Davis. He has advised the California Energy Commission, and California Resources Agency on biomass energy and sustainability issues, and serves as an ex officio member of the state’s Bioenergy Interagency Work Group.  He was a member of a National Research Council’s committee producing the recent report: the Renewable Fuel Standard, Potential Economic and Environmental Effects of US Fuel Policy.  He participates on the California Air Resources Board’s Sustainability Standards and Indirect Land Use Change workgroups.  From 2003 to 2007 he was director of the Long Term Research on Agricultural Systems Project, focused on the sustainability of farming systems in California.  Current biomass energy crop research includes winter annual oilseed crops like canola, Camelina and castor, sweet sorghum, sugar beets and sugar cane experiments.  He has also worked on agriculture and water quality projects including the use of salt affected lands and low quality water supplies for biomass production using salt-tolerant grasses in the San Joaquin Valley of California, and water, nutrient and salt balances for irrigated agriculture in the Upper Klamath Basin of California and Oregon.