National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

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Title/Authors	Accession Number	Publication Year	Page Count	Download
Life Cycle Design of Air Intake Manifolds. Phase 2: Lower Plenum of the 5.4 L F-250 Air Intake Manifold, Including Recycling Scenarios. Spitzley, D. V; Keoleian, G. A; Costic, M. M.	PB2003100708	2001	50 pages
Life Cycle Design of Air Intake Manifolds. Phase 1: 2.0 L Ford Contour Air Intake Manifold. Keoleian, G. A; Kar, K.	PB2003101104	1999	90 pages