Present state of knowledge of the upper atmosphere, 1990 : an assessment report : report to Congress /

Prepared on behalf of NASA at its Office of Space Science and Applications, Earth Science and Applications Division.

FHWA highway traffic noise prediction model. Final report.

Mode of access: Internet.

A computer program (HEVSIM) for heavy duty vehicle fuel economy and performance simulation. Volume II: users' manual. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

A computer program (HEVSIM) for heavy duty vehicle fuel economy and performance simulation. Volume III: appendices A through F. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

A computer program (HEVSIM) for heavy duty vehicle fuel economy and performance simulation. Volume I: description and analysis. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

TCM analyst 1.0 and user's guide.

Texas Department of Transportation, Austin

New Mexico statewide wilderness study.

"BLM-NM-ES-85-002-4332"--P. [2] of cover.

Computer modeling of transportation-generated air pollution--a state-of-the-art survey. Final report.

Transportation Department, Office of the Assistant Secretary for Systems Development and Technology, Washington, D.C.

Promising changes improve EPA's extramural research; more changes needed. Report by the Comptroller General of the United States.

Mode of access: Internet.

TASSIM: a transportation and air shed simulation model. Volume 1, case study of the Boston region. Final report.

Transportation Department, Secretary of Transportation, Washington, D.C.

TASSIM: a transportation and air shed simulation model. Volume 2, program user's guide. Final report.

Transportation Department, Secretary of Transportation, Washington, D.C.

Noise barrier attenuation: field experience. Final report.

Federal Highway Administration, Washington, D.C.

Rulemaking support paper concerning the 1981-1984 passenger auto average fuel economy standards.

Mode of access: Internet.

Users manual: TSC highway noise prediction code: MOD-04. Final report.

Federal Highway Administration, Office of Research and Development, Washington, D.C.

Uncertainties in estimates of fleet average fuel economy: a statistical evaluation. Final report.

Transportation Systems Center, Cambridge, Mass.