March 29, Thursday -- Media are invited to join U.S. EPA and other government officials on tour of clean-diesel tractors, a waste-to-energy plant, and other green agriculture technologies at UC Davis. The tour is part of a large combined conference this week in Sacramento: the annual California Biomass Collaborative "Biomass Forum," the West Coast Collaborative "Partners Meeting" and the first "Clean Diesel Agriculture Leaders Forum." Led by EPA western administrators Wayne Nastri and Elin D. Miller. Leaves Sacramento at 8 a.m. More information: Margot Perez-Sullivan, U.S. EPA in San Francisco, (415) 947-4149, (415) 760-9161 cell, perezsullivan.margot@epa.gov.