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Assessment of the Greenhouse Gas Emission Benefits of Heavy Duty Natural Gas Vehicles in the United States: Final Report
A paper which presents a review of existing literature on emission factors, emission data collection techniques, and analytical approaches. It presents the results of SAIC's analysis of available CO2 and CH4 GHG emission data from chassis dynamometer tests of heavy-duty vehicle exhaust.
Date:
September 22, 2005
Creator:
Davies, Christina; Findsen, Jette & Pedraza, Lindolfo
Object Type:
Paper
System:
The UNT Digital Library
Edwards Aquifer Recharge Zone - Chapter 213 Rules. TSMS Version
This report amends and updates the geographic areas that are regulated under the Edwards Aquifer Protection Program in Texas. Using Digital Geospatial Metadata, a GIS layer is added to reflect the changes in land boundaries and the re-designation of areas as transition zones, contributing zones, and recharge zones; the result will serve as a replacement for hard copy maps of the area.
Date:
September 1, 2005
Creator:
Texas Commission on Environmental Quality
Object Type:
Report
System:
The UNT Digital Library