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/ Synthesis of Information Related to Airport Practices. Topic S10-17. Agricultural Operations on Airport Grounds https://rip.trb.org/View/1668968 Mon, 25 Nov 2019 21:01:57 GMT https://rip.trb.org/View/1668968 Food vs. Fuel: Kansas Farmers' Decisions to Grow Crops for Transport Fuels https://rip.trb.org/View/1229937 Thu, 03 Jan 2013 13:51:04 GMT https://rip.trb.org/View/1229937