Research and Development of Hyundai Flexible Fuel Vehicles (FFVs)

Paper #:
  • 930330

Published:
  • 1993-03-01
Citation:
Myung, C., Lee, S., Shin, Y., Park, K. et al., "Research and Development of Hyundai Flexible Fuel Vehicles (FFVs)," SAE Technical Paper 930330, 1993, https://doi.org/10.4271/930330.
Pages:
9
Abstract:
This paper describes Hyundai's research and development work on a flexible fuel vehicle (FFV). The work on FFV has been conducted to evaluate its potential as an alternative to the conventional gasoline vehicle. Hyundai FFV described here can operate on M85, gasoline, or any of their combinations, in which the methanol concentration is measured by an electrostatic type fuel sensor. For that operation, a special FFV ECU has been developed and incorporated in the FFV.The characteristics affecting FFV operation, such as FFV ECU control strategy and injector flow rate, have been investigated and optimized by experiment. Various development tests have been performed in view of engine performance, durability, cold startability, and exhaust emissions reduction. The exhaust gas aftertreatment system being consisted of manifold type catalytic converter(MCC) and secondary air injection system has shown good emission reduction performance including formaldehyde emission. But, more work on its durability improvement is required.
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