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/ Using Crude Glycerin in High Forage Diets - A Way to Improve the Profitability of Biodiesel Production https://rip.trb.org/View/1363821 Tue, 04 Aug 2015 01:00:47 GMT https://rip.trb.org/View/1363821 Diesel/Glycerin Emulsion Fuel Project https://rip.trb.org/View/1315722 Fri, 11 Jul 2014 01:01:09 GMT https://rip.trb.org/View/1315722