Comparative Emissions Testing of Vehicles Aged on E0, E15 and E20 Fuels

Aaron Williams, Aaron Williams (NREL Technical Monitor)

Research output: NRELSubcontract Report


The Energy Independence and Security Act passed into law in December 2007 has mandated the use of 36 billion ethanol equivalent gallons per year of renewable fuel by 2022. A primary pathway to achieve this national goal is to increase the amount of ethanol blended into gasoline. This study is part of a multi-laboratory test program coordinated by DOE to evaluate the effect of higher ethanolblends on vehicle exhaust emissions over the lifetime of the vehicle.
Original languageAmerican English
Number of pages76
StatePublished - 2012

Bibliographical note

Work performed by SGS Environmental Testing Corporation, Aurora, Colorado

NREL Publication Number

  • NREL/SR-5400-55778


  • emissions
  • ethanol
  • gasoline


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