U.S. Department of Energy - Energy Efficiency and Renewable Energy

FreedomCAR and Vehicle Technologies Program

Success Stories

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  • Auxiliary Power Unit Cuts Emissions, Fuel Use in Railroad Locomotives (PDF 261 KB)
  • Cab Comfort Units Reduce Idling of Heavy-Duty Trucks and Buses (PDF 206 KB)
  • CO2 Wash™ Technology Cleans Landfill Gas to Power Heavy Duty Trucks (PDF 249 KB)
  • Composite Materials Production Methods Developed (PDF 189 KB)
  • Computer Model Helps Reduce Automobile Heat Soak Temperatures (PDF 210 KB)
  • Current Interrupt Charging Technique for Lead Acid Batteries (PDF 215 KB) 
  • DOE-Funded Research Leads to Quick Commercialization of Advanced Fuel Saving Control System for Freight Locomotives (PDF 336 KB)
  • DOE-Funded Research Leads to Quick Commercialization of Reel Clean Filtration System (PDF 233 KB)
  • DOE Funding Leads to Successful Corrosion Probe Tests in Diesel Engines (PDF 218 KB)
  • Lightweight Buses With Electric Drive Improve Fuel Economy and Passenger Experience (PDF 204 KB) 
  • Lightweight Tie Rod for Heavy Trucks (PDF 215 KB)
  • Low-Cost, High-Temperature Sensor Enables In-Chamber Oxygen Measurements (PDF 537 KB)
  • Magnesium Components Achieve Weight Reduction and Fuel Savings (PDF 204 KB)
  • Microwave-Assisted Plasma Manufacturing of Carbon Fibers (PDF 199 KB)
  • Modeling of Combustion Processes Improves Engine Efficiency (PDF 227 KB)
  • Natural Gas Buses Provide Clean Transit Abroad (PDF 236 KB) 
  • Near-Frictionless Carbon Coatings Offer Significant Industrial Benefits (PDF 212 KB)
  • New Heat Exchanger Design Allows Improved Cooling of Power Inverters for Hybrid Vehicles (PDF 212 KB)
  • Nickel-Metal-Hydride Batteries — High Energy Storage for Electric Vehicles (PDF 198 KB)
  • Providing Efficient Power Through Advanced Gas Turbines (PDF 275 KB) 
  • PSAT Accurately Simulates Advanced Vehicles (PDF 232 KB)
  • Quick Plastic Forming of Aluminum Sheet Metal (PDF 217 KB)
  • Self-Cleaning Diesel Particulate Filter (PDF 202 KB)
  • Silicon Nitride Balls Enhance Bearing Performance (PDF 236 KB)
  • Spatially Resolved Capillary Inlet Mass Spectrometer for Improved Emissions Research (PDF 307 KB)
  • TracGlide Top-of-Rail Lubrication System (PDF 208 KB) 

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