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Estimating Texas Motor Vehicle Operating Costs : Final Report


[2012] ... by Dr. Ronald Matthews [and eight others] This report and its appendices summarize the findings of a 2-year extension to the TxDOT-sponsored study 0-5974 entitled "Estimating Texas Motor Vehicle Costs" undertaken by a Center for Transportation Research (CTR) team of mechanical engineers and economists at The

5974-2 [CTR] ... FHWA/TX-12/0-5974-2

Full-text Link:
Report: 10.6 MB; Manual: 4.6 MB

Estimating Texas Motor Vehicle Operating Costs


2011 ... Research Supervisor: Rob Harrison; Researchers: Garrett Anderson [and seven others] This report summarizes the findings of a two year extension to the TxDOT sponsored study [on Vcost] undertaken by a Center for Transportation Research (CTR) team of mechanical engineers and economists at the University of Texas at

5974 Summary [CTR] ... PSR 0-5974-s ... Project Summary Report, 0-5974

Full-text Link:
48 KB

Estimating Texas Motor Vehicle Operating Costs : Technical Report


2009 ... Dana Welter [and four others] A specific Vcost model was developed for Texas conditions based on a sophisticated fuel model for light duty vehicles, several excellent sources of secondary vehicle cost data, and the ability to measure heavy truck fuel consumption through both experimental and survey work. The basic model was

5974-1 [CTR] ... FHWA/TX-10/0-5974-1

Full-text Link:
2 MB

The Final Series of Oils Tested as a Potential Solution to the Galveston Ferry Operations (GFO) Engine Failures


2008 ... Matt Hall, Clark Kibler and Ron Matthews Following the recommendations of Project 0-4576, the Texas Department of Transportation (TxDOT) began using an ultra-low sulfur diesel fuel, Texas Low Emission Diesel (TXLED) in all of its diesel engines in the fall of 2003. No problems were encountered with any of these engines

5532-P3 [CTR] ... Product 0-5532-P3

Full-text Link:
49 KB

Solutions to the Engine Failures that Occurred Soon After Galveston Ferry Operations Began Using Texas Low Emissions Diesel Fuel


2007 ... Ron Matthews, Matt Hall, John Hedrick and Clark Kibler The research team found that the GFO engine failures were the result of three factors: 1) the poor ring pack design of these engines, which results in a high oil consumption rate, 2) the high ash content of the re-refined oil that was used in the ferries, and 3) the decreased

5532-1 [CTR] ... 0-5532-1

Full-text Link:
1.1 MB

Galveston Ferry Operation (GFO) Engine TxLED Failure Assessment, Solution and Implementation


2007 ... RS: Ronald Matthews; Researchers: Matt Hall The Texas Department of Transportation (TxDOT) has experienced failures of all 10 propulsion engines used in their Galveston Ferry Operations after switching to TxLED (low emission diesel fuel). Thus, TxDOT was forced to switch the GFO ferries back to conventional diesel fuel. In

5532 Summary [CTR] ... PSR 0-5532-s ... Project Summary Report, 0-5532

Full-text Link:


Diesel Emissions Testing, Performance Evaluation, And Operational Assessment : Project Extension To Examine An Ultra-Low Sulfur Diesel Fuel: TxLED


2005 ... Ron Matthews [and nine others] When TxDOT began using an ultra-low sulfur diesel fuel, Texas Low Emission Diesel (TxLED), they commissioned a simultaneous study of the effectiveness of the use of TxLED by both the TxDOT fleet and their contractors, the Associated General Contractors (AGC). Because TxLED is similar to

4576-4 [CTR] ... 0-4576-4

Full-text Link:


TxDOT Emulsified Diesel Final Report


2004 ... Rick Baker [and eight others] The results of an extensive study of a specific emulsified diesel fuel, PuriNOx, is reported. This study evaluates the continued use of PuriNOx by TxDOT's Houston District and possible extension to the AGC contractors in the Houston area. The evaluation criteria were: health risks (relative to diesel

4576-3 [CTR] ... FHWA/TX-04/4576-3

Full-text Link:


Emulsified Diesel Fuels : Literature Review and Consolidation of Lubrizol Recommendations


2002 ... R.D. Matthews The objective of this document is to summarize the available findings by Lubrizol and by third parties on the effects of PuriNOx on a variety of diesel engines operating over a variety of conditions. The information was obtained from the 19 documents provided by Lubrizol and additional documents obtained from the

4576-1 [CTR] ... FHWA/TX-03/4576-1

Full-text Link:


Emulsified Diesel Emission Testing, Performance Evaluation, and Operational Assessment


2002 ... Ron Matthews, Matt Hall and Jolanda Prozzi The objective of this document is to present the preliminary findings of the study examining the effects of using PuriNOx on the emissions, performance, and operations of TxDOT's diesel vehicles and equipment. | This document briefly summarizes the available literature regarding

4576-2 [CTR] ... FHWA/TX-02/4576-2

Full-text Link:


Texas Bi-Fuel Liquefied Petroleum Gas Pickup Study : Final Report


1999 ... Y. Huang, R.D. Matthews, and E.T. Popova In Texas, one of the most widely used alternative fuels is liquefied petroleum gas (LPG, often referred to as propane). The largest fleet in Texas, operated by the Texas Department of Transportation (TxDOT), has hundreds of bi-fuel (LPG and gasoline) vehicles operating in normal

MS 8353 ... NREL/SR-540-26003 ... NREL Subcontractor Reports, 26003

Full-text Link:
632 KB

Analysis of the University of Texas at Austin Compressed Natural Gas Demonstration Bus


1994 ... Cheng-Ming Wu, Ron Matthews, and Mark A. Euritt A demonstration compressed natural gas (CNG) bus has been operating on the University of Texas at Austin shuttle system since 1992. This CNG vehicle, provided by the Blue Bird Company, was an opportunity for the University to evaluate the effectiveness of a CNG bus for shuttle

1994-60059-1 [CTR] ... SWUTC/94/60059-1

Full-text Link:
6.2 MB

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