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Systematic Engine Uprate Technology Development & Deployment for Pipeline Compressor Engines through Increased Torque – Phase I TECHNOLOGY STATUS ASSESSMENT "This Technology Status Assessment was prepared with the support of the U.S. Department of Energy, under Award No. DE-FC26-04NT42270. However, any opinions, findings, conclusions, or recommendations expressed herein are those of the author(s) and do not necessarily reflect the views of the DOE". Engine Uprate Summary The objective of this project is to increase the capacity of the existing U.S. natural gas pipeline infrastructure by 1.5 billion cubic feet per day without adding new compressor units. This will be accomplished by retrofitting existing compressor engines with new technologies to increase power output, or “uprate”, costing no more than 25% of new unit costs. At the same time, this program seeks to increase fuel efficiency, improve durability, and to reduce the environmental