The Environmental Protection Agency (EPA) is seeking contractors to provide testing and analytical services for the regulation of motor vehicles, engines, fuels, and fuel additives. This procurement aims to support emissions characterization, technology assessment, and the development of test procedures and equipment, aligning with the EPA's mission under the Clean Air Act Amendments. The anticipated contract will be an Indefinite Delivery/Indefinite Quantity (ID/IQ) type with a minimum guaranteed value of $100,000 and a maximum ceiling of $30 million, with a performance period of up to 78 months. Interested parties should contact Anne Rodrigo at rodrigo.anne@epa.gov, and note that the solicitation is expected to be released in mid-September, with proposals due approximately 30 days thereafter.