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Energy Efficiency in Heavy Vehicle Tires, Drivetrains, and Braking Systems
This document was prepared to support the primary goals of the Department of Energy, Office of Heavy Vehicle Technologies. These were recently stated as follows: ''Develop by 2004 the enabling technologies for a class 7-8 truck with a fuel efficiency of 10 mpg (at 65 mph) which will meet prevailing emission standards. For Class 3-6 trucks operating on an urban driving cycle, develop by 2004 commercially viable vehicles that achieve at least double the fuel economy of comparable current vehicles (1999), and as a research goal, reduce criteria pollutants to 30% below EPA standards. Develop by 2004 the diesel engine enabling technologies to support large-scale industry dieselization of Class 1 and 2 trucks, achieving a 35 % fuel efficiency improvement over comparable gasoline-fueled trucks, while meeting applicable emissions standards.'' The enabling technologies for improving the fuel efficiency of trucks, include not only engine technologies but also technologies involved with lowering the rolling resistance of tires, reducing vehicle aerodynamic drag, improving thermal management, and reducing parasitic frictional losses in drive train components. Opportunities also exist for making better use of the energy that might ordinarily be dissipated during vehicle braking. Braking systems must be included in this evaluation since safety in …
Date:
April 26, 2000
Creator:
Blau, Peter J.
Object Type:
Report
System:
The UNT Digital Library
University Press (Beaumont, Tex.), Vol. 76, No. 26, Ed. 1 Wednesday, January 26, 2000
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
January 26, 2000
Creator:
Bordeman, Christina
Object Type:
Newspaper
System:
The Portal to Texas History
University Press (Beaumont, Tex.), Vol. 76, No. 46, Ed. 1 Wednesday, April 26, 2000
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
April 26, 2000
Creator:
Bordeman, Christina
Object Type:
Newspaper
System:
The Portal to Texas History
Grandview Tribune (Grandview, Tex.), Vol. 105, No. 41, Ed. 1 Friday, May 26, 2000
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
May 26, 2000
Creator:
Bosher, Casey & Marten, Donna K.
Object Type:
Newspaper
System:
The Portal to Texas History
The Goldthwaite Eagle (Goldthwaite, Tex.), Vol. 106, No. 14, Ed. 1 Thursday, October 26, 2000
Weekly newspaper from Goldthwaite, Texas that includes local, state, and national news along with extensive advertising.
Date:
October 26, 2000
Creator:
Bridges, G. Frank & Bridges, Georgie
Object Type:
Newspaper
System:
The Portal to Texas History
Oral History Interview with Bill Brown, June 26, 2000
The National Museum of the Pacific War presents an oral interview with Bill Brown. Brown was studying at the University of Texas at El Paso whe nhe joined the Army Air Force in 1942. Brown discusses his flight training, which occurred throughout Texas. With training cmplete, Brown was sent to Hawaii where he continued training with the 45th Fighter Squadron, 7th Air Force. Soon his unit was shipped to Iwo Jima where they flew bomber escort for bombing missions over the home islands of Japan. Brown was shot down over Yokahama and bailed out over the Tokyo Bay, where he was resuced by the USS Pipefish (SS-388). Brown was taken to Hawaii to recover and was eventually shipped back to the US, where he was discharged in September, 1945.
Date:
June 26, 2000
Creator:
Brown, Bill
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with Bill Brown, June 26, 2000
The National Museum of the Pacific War presents an oral interview with Bill Brown. Brown was studying at the University of Texas at El Paso whe nhe joined the Army Air Force in 1942. Brown discusses his flight training, which occurred throughout Texas. With training cmplete, Brown was sent to Hawaii where he continued training with the 45th Fighter Squadron, 7th Air Force. Soon his unit was shipped to Iwo Jima where they flew bomber escort for bombing missions over the home islands of Japan. Brown was shot down over Yokahama and bailed out over the Tokyo Bay, where he was resuced by the USS Pipefish (SS-388). Brown was taken to Hawaii to recover and was eventually shipped back to the US, where he was discharged in September, 1945.
Date:
June 26, 2000
Creator:
Brown, Bill
Object Type:
Text
System:
The Portal to Texas History
Daily Journal (Perry, Okla.), Vol. 107, No. 211, Ed. 1 Thursday, October 26, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 26, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Daily Journal (Perry, Okla.), Vol. 107, No. 252, Ed. 1 Tuesday, December 26, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 26, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 18, Ed. 1 Wednesday, January 26, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 26, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 83, Ed. 1 Wednesday, April 26, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 26, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 105, Ed. 1 Friday, May 26, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 26, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 125, Ed. 1 Monday, June 26, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 26, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 146, Ed. 1 Wednesday, July 26, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 26, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 189, Ed. 1 Tuesday, September 26, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 26, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Copper studies for alternative salt disposition
The purpose of this study is to determine, as functions of total copper loading and iron REDOX in glass, any dependence of the leaching behavior of borosilicate glass on metallic copper.
Date:
January 26, 2000
Creator:
Brown, K.G.
Object Type:
Report
System:
The UNT Digital Library
Full Range MGA Plutonium Isotopic Analysis using Single Ge Detector
The Gamma-Ray multi-group analysis code MGA developed at Lawrence Livermore National Laboratory has been widely used in the area of gamma-ray non-destructive plutonium assay. This plutonium isotopic analysis code de-convolutes the complicated, 100-keV x-ray and gamma-ray region to obtain the ratio of Pu isotopes. Calibration of the detector efficiency is not required, but is determined intrinsically from the measured spectra. The code can either analyze low-energy gamma-ray spectrum taken using a high-resolution HPGe detector for energies below 300 keV, or analyze the low-energy spectrum combined with a high-energy spectrum (up to 1 MeV) in the two-detector analysis mode. In the latter case, the use of two detectors has been mandated by the conflicting requirements: excellent resolution at low energies (characteristic of small planar detectors) with good high-energy efficiency (characteristic of coaxial detectors). Usually, a high-energy spectrum taken using a coaxial Ge detector will not provide sufficient energy resolution for 100-keV plutonium isotopic analysis, while the small planar used at low energies has inadequate high-energy efficiency. An optimized-geometry ORTEC HPGe detector has been developed which combines good energy resolution at 100 keV combined with acceptable high-energy ({approx} 1 MeV) efficiency in a single detector. It has been used to gather spectra …
Date:
June 26, 2000
Creator:
Buckley, W. M.; Wang, T. F.; Friensehner, A.; Kreek, S. A.; Lanier, R. G.; Parker, W. E. et al.
Object Type:
Article
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, May 26, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 26, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Monday, June 26, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 26, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Sunday, March 26, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 26, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Sunday, November 26, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 26, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, October 26, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 26, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, December 26, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 26, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, September 26, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 26, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History