Air pollutionChemical technologyEnvironmental educationEnvironmental healthEnvironmental technologies
Sponsoring organization
U.S. Environmental Protection Agency (EPA). Ofc. of International ActivitiesUSAID. Bur. for Global Programs, Field Support and Research. Center for Environment. Ofc. of Environment and Natural Resources
Authoring organization
Engine, Fuel, and Emissions Engineering, Inc.Hagler Bailly Services, Inc.