Locomotive emissions measurements for various blends of biodiesel fuel.

Hedrick, John C.; Fritz, Steven G.; Southwest Research Institute

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Locomotive emissions measurements for various blends of biodiesel fuel.

2014-12-01
By Hedrick, John C. ; Fritz, Steven G.

[PDF-1.82 MB]

English

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Details:

Creators:

Hedrick, John C. ; Fritz, Steven G.

Hedrick, John C. ; Fritz, Steven G. Less -
Corporate Creators:

Southwest Research Institute
Subject/TRT Terms:

[+]

Biodiesel Fuels Carbon Monoxide Diesel Engine Exhaust Gases Emissions Testing Fuel Consumption Locomotives Nitrogen Oxides Particulates Pollutants
Publication/ Report Number:

DOT/FRA/ORD-14/39
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration. Office of Research and Development
Abstract:

The objective of this project was to assess the effects of various blends of biodiesel on locomotive engine exhaust emissions. The

emission tests were conducted on two locomotive models, a Tier 2 EMD SD70ACe and a Tier 1 Plus GE Dash9-44CW, using two

baseline fuels: (1) conventional EPA ASTM No. 2-D S15 certification diesel fuel and (2) commercially available California Air

Resource Board (CARB) ULSD fuel. A single batch of soy-based B100 was mixed in with the EPA and CARB diesel to yield a 5

percent and 20 percent blend of fuel. A randomized test matrix was used to perform triplicate tests on each of the six test fuels

(EPA0, CARB0, EPA5, CARB5, EPA20, and CARB20).

General emissions and fuel economy trends seen in other studies and applications for biodiesel use were also observed in this

study. Higher blend levels of biodiesel were associated with lower carbon monoxide and particulate matter, as well as with higher

levels of nitrogen oxides and fuel consumption. Use of diesel fuel with 20 percent biodiesel often resulted in statistically

significant differences from the fuel with 0 percent or 5 percent biodiesel, while the difference between 0 percent and 5 percent

biodiesel was generally not statistically significant.
Format:

PDF
Funding:

FR-RRD-12-009
Collection(s):

Federal Railroad Administration US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:404ce23373d3e26dc87c01b6646d608c1ba2c8f1921f92d9406430e49fb84093
Download URL:

https://rosap.ntl.bts.gov/view/dot/28975/dot_28975_DS1.pdf
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Locomotive emissions measurements for various blends of biodiesel fuel.

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