eLibrary Search
The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.
Can I find All FRA Documents in the Library?
Some "documents" may not appear here for the following reasons:
- Document resides on an external site for the record of source, links to the document are provided in context but not in the library as FRA does not maintain this record. This document lives on another website.
- Document has not yet been assigned keywords.
- Document is historical and has been removed from library to avoid confusion with current publications.
- Document is public affairs & policy related, such as press releases, speeches, testimony, or fact sheet. These press-related documents can now be found in the FRA Newsroom.
- Document is related to rules and notices. This information can now be found on the Rulemakings search and the Notices search, respectively.
Technical Reports
Railroad Energy Intensity and Criteria Pollutant Emissions
Keywords: Railroad, energy intensity, emissions, life cycle analysis, GREET®, greenhouse gases, regulated emissions, energy, air pollutant emissions, locomotive, diesel fuel, alternative fuel
Abstract: A tiered emission factors table was developed by Argonne National Laboratory to populate its Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation (GREET®) model...
Technical Reports
Locomotive Performance and Engine Durability Assessment of B5 to B20 Biodiesel Fuel Usage
Keywords: Biodiesel, engine components, fuel, elastomers, O-rings, 20 percent biodiesel, B20, 5 percent biodiesel, B5, durability, locomotive
Abstract: This report summarizes work performed by Southwest Research Institute (SwRI®) to investigate the durability of several locomotive engine components under various blends of...
Technical Reports
Hybrid Locomotive for Energy Savings and Reduced Emissions
Keywords: Hybrid locomotive, battery, lithium-on battery, advanced lithium-on battery technology
Abstract: Norfolk Southern Corporation (NS) and Pennsylvania State University tested several different battery systems in hybrid locomotives. Advanced lithium-ion battery technology was...
Policy and Guidance
Obtaining FRA Approval for Testing Liquefied Natural Gas (LNG) and Compressed Natural Gas (CNG) Locomotives and Tenders
Keywords: compressed natural gas, liquefied natural gas, locomotive, tender, test, approval, fuel tender, alternative fuel
Abstract: A letter to the AAR, ASLRRA, and the American Public Transportation Association. The letter provides an overview of FRA authority to regulate LNG and CNG locomotives and tenders...
Policy and Guidance
Letter to BNSF: FRA Authority to Regulate Dual-Fuel Locomotives and Fuel Tenders
Keywords: locomotive, dual-fuel locomotive, Liquefied Natural Gas, portable tank, fuel tender, tender, LNG, alternative fuel, hazmat, hmr,
Abstract: A letter to BNSF providing overview of FRA authority to regulate dual-fuel locomotives and fuel tenders. Specifically, the letter clarifies that FRA regulations apply to dual-...