Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Impact of Facial Hair on Pilot Oxygen Mask Efficacy https://rip.trb.org/View/2736587 Mon, 27 Jul 2026 12:27:54 GMT https://rip.trb.org/View/2736587 Roadway Runoff Impacts to Trout Streams Studies for MS4 Permit https://rip.trb.org/View/2342067 Tue, 20 Feb 2024 14:23:38 GMT https://rip.trb.org/View/2342067 Low Flow Passenger Oxygen Systems https://rip.trb.org/View/1874597 Wed, 25 Aug 2021 09:36:37 GMT https://rip.trb.org/View/1874597 Methods for the Fast Quantifications of Oxygenated Compounds in Alternative Jet Fuels https://rip.trb.org/View/1549371 Fri, 21 Sep 2018 18:22:57 GMT https://rip.trb.org/View/1549371 Determining Airfield Pavement Deicer and Anti-Icer Contributions to Airport Stormwater https://rip.trb.org/View/1478081 Mon, 31 Jul 2017 12:26:45 GMT https://rip.trb.org/View/1478081 Selective Catalytic Deoxygenation of Carbohydrates https://rip.trb.org/View/1369385 Mon, 21 Sep 2015 10:32:13 GMT https://rip.trb.org/View/1369385 Selective Catalytic Deoxygenation of Carbohydrates https://rip.trb.org/View/1367879 Wed, 02 Sep 2015 15:01:15 GMT https://rip.trb.org/View/1367879 Acquisition of a Thermo-Gravimetric Analyzer and Differential Scanning Calorimeter for Characterization of Materials used in Transportation Research https://rip.trb.org/View/1228252 Thu, 03 Jan 2013 13:17:27 GMT https://rip.trb.org/View/1228252