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    <title>Transport Research International Documentation (TRID)</title>
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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Transport Research International Documentation (TRID)</title>
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    <item>
      <title>COMPARISON OF ALTERNATE FUELS FOR AIRCRAFT</title>
      <link>https://trid.trb.org/View/144058</link>
      <description><![CDATA[Liquid hydrogen, liquid methane, and synthetic aviation kerosene were assessed as alternate fuels for aircraft in terms of cost, capital requirements, and energy resource utilization. Fuel transmission and airport storage and distribution facilities are considered. Environmental emissions and safety aspects of fuel selection are discussed and detailed descriptions of various fuel production and liquefaction processes are given. Technological deficiencies are identified.]]></description>
      <pubDate>Wed, 27 Feb 1980 00:00:00 GMT</pubDate>
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      <title>MARKET POTENTIAL FOR COALS OF THE ILLINOIS BASIN</title>
      <link>https://trid.trb.org/View/75567</link>
      <description><![CDATA[The markets presently being served by the coals from the Illinois Basin are examined, and changes in the distribution patterns for the past decade are discussed. Also, the projected increase in demand for coal through 1985 is examined in detail, and the market potentials this increase in demand is likely to create for Illinois Basin coals are evaluated.]]></description>
      <pubDate>Wed, 31 Oct 1979 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/75567</guid>
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      <title>ELECTRIC UTILITIES CAPTIVE COAL OPERATIONS</title>
      <link>https://trid.trb.org/View/56615</link>
      <description><![CDATA[Captive coal is defined as outright ownership and operation of a coal mine, ownership of coal reserves with another company mining the coal, or having a loan guarantee arrangement with a coal mining company. In 1965 only 13.4 milliion tons or about 5.5 percent of all coal used in electric utilties came from captive mines. By 1975, however, 27 electric utilities were using 48.4 million tons of captive coal, or 11.2 percent of all coal used in the industry.]]></description>
      <pubDate>Sun, 29 Oct 1978 00:00:00 GMT</pubDate>
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      <title>TASK REPORTS: SLURRY COAL PIPELINES. VOLUME II, PART 1</title>
      <link>https://trid.trb.org/View/75213</link>
      <description><![CDATA[This assessment analyzes the costs and potential economic, social, and environmental impacts of coal slurry pipelines. The report includes a discussion of the possible effects of coal slurry pipeline development, a comparison of pipeline and unit train costs, and an analysis of relevant legal and regulatory issues. Findings address conditions under which slurry pipelines may be attractive in terms of cost and the influence of transportation regulatory policy. Also evaluated are the potential impacts of slurry pipeline development on the rail industry, consequences of pipeline water use as contrasted with community impacts of increased coal train traffic, and implications of the power of eminent domain at the Federal, as opposed to the State, level. Specific task reports contained in this volume deal with the market for coal transportation and other economic considerations. (Portions of this document are not fully legible)]]></description>
      <pubDate>Sat, 19 Aug 1978 00:00:00 GMT</pubDate>
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      <title>FEASIBILITY OF CONSIDERABLY EXPANDED USE OF WESTERN COAL BY MIDWESTERN AND EASTERN UTILITIES IN THE PERIOD 1978 AND BEYOND</title>
      <link>https://trid.trb.org/View/63415</link>
      <description><![CDATA[This report evaluates the economic impact of western, midwestern and eastern coal competing for the same markets in developing an optimum coal use strategy. A general expansion in the use of surface mined western coal by midwestern and eastern utilities in the period 1978 and beyond is concluded to be economically viable.]]></description>
      <pubDate>Sun, 16 Jan 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/63415</guid>
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      <title>THE TRANSITION TO COAL</title>
      <link>https://trid.trb.org/View/63413</link>
      <description><![CDATA[The basic energy problem facing the U.S. and other industrialized nations is not to secure independence from foreign energy suppliers, but instead to negotiate an orderly transition from primary reliance on fossil oil and gas resources to predominant use of energy sources not tied to finite fuel reserves. This report describes the major energy problem currently facing the United States, and proposes a long-term energy strategy based on increased U.S. coal production. Major environmental, capital, and labor constraints affecting coal demand and production are discussed. A model, that is a tool for designing and testing broad coal-related energy programs is described.]]></description>
      <pubDate>Sun, 16 Jan 1977 00:00:00 GMT</pubDate>
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      <title>TECHNOLOGY ASSESSMENT OF PORTABLE ENERGY RDT AND P, PHASE 1</title>
      <link>https://trid.trb.org/View/28617</link>
      <description><![CDATA[A technological assessment of portable energy research, development, technology, and production was undertaken to assess the technical, economic, environmental, and sociopolitical issues associated with portable energy options. Those courses of action are discussed which would impact aviation and air transportation research and technology. Technology assessment workshops were held to develop problem statements. The eighteen portable energy problem statements are discussed in detail along with each program's objective, approach, task description, and estimates of time and costs.]]></description>
      <pubDate>Fri, 10 Sep 1976 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/28617</guid>
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