In this report OTA gives a broad overview of the qualities of the competing fuels and examines in depth some of the most contentious issues associated with the wisdom of active Federal support for introducing the fuels. Areas of uncertainty that affect the debate on Federal support include fuel cost (including costs of building new infrastructure and modifying vehicles); the air quality effects of the new fuels; effects on energy security; other environmental impacts of the fuels; and consumer acceptance of the changes in vehicle performance, refueling procedures, costs, and other facets of the transportation system that would follow a large-scale introduction of any of the fuels. The report singles out for special examination the arguments concerning the costs, energy security implications, and air quality impacts of introducing methanol fuels into the fleet.

A report on royalty, rental, and bonus payments from non-fuel mineral leases on public lands are a oil and gas and other fuel and major source of income for the Federal government, States, and Indian Tribes.

This Background Paper examines the evidence of the effectiveness of drug abuse treatment; it also evaluates the role that such treatment might play in reducing the spread of HIV. Because most intravenous drug users are not in treatment, the paper also examines other approaches to HIV prevention among this high-risk group.

This report discusses the definition of honesty and integrity tests defined by OTA. The definition does not necessarily resolve ambiguities over the universe of tests that should be considered integrity tests. Controversy surrounds the meanings of integrity and honesty in the workplace; there is disagreement over whether integrity tests differ from other personnel tests in design or in the kinds of inferences they support; and there is little relative information on how integrity and honesty tests are actually used in hiring decisions.

This background paper assesses the effects of information technology on securities markets and the current status of global securities trading. It compares securities markets and clearing and settlement mechanisms in Japan, the United Kingdom, and the rest of Europe with those in the United States. Finally it identities emerging questions about international markets and national regulatory regimes.

This paper examines what is known about the course of cervical cancer in elderly women; the effectiveness of the Pap test and its accuracy in this age group; the relative costs and effectiveness of different screening test schedules for elderly women; and the implications of these findings for Medicare.

In this paper OTA summarizes the evidence on the effectiveness and costs of colorectal cancer screening in the elderly and explores the implications for Medicare of offering this preventive technology as a Medicare benefit. Nowhere are the hard choices between potential medical benefits and high costs illustrated more clearly than with this cancer screening technology.

This report market that have institutions, usually refered to as "clearing house", which handle both the clearing and some aspects of the settlement processes.

This report discusses the ways to utilize technological advertisements in distance learning. It discusses the impact of technological changes in the educational environment.