Cold start emissions of an ethanol-fuelled engine with heated intake air and fuel

José Ricardo Sodré*, Luis Carlos Monteiro Sales

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

This works presents the exhaust emission levels from a flexible fuel engine with heated intake air and fuel during cold start operation. A vehicle powered by an ethanol-fuelled flexible fuel engine was used in the experiments, following the US FTP-75 test schedule. The conventional gasoline injection system for cold start assistance was removed. Heating of intake air and fuel was provided by electric resistances. The results demonstrate that intake air and fuel heating can attend cold start expectations and simultaneously reduce exhaust hydrocarbon and carbon monoxide emissions.

Original languageEnglish
Pages (from-to)122-125
Number of pages4
JournalFuel
Volume95
DOIs
Publication statusPublished - 1 May 2012

Keywords

  • Cold start
  • Emissions
  • Ethanol
  • Internal combustion engines

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