Earlier this week API highlighted new research by the Coordinating Research Council (CRC) on serious potential problems with vehicle fuel systems when operated on E15 fuel – gasoline containing 15 percent ethanol.
In addition to CRC’s research, we want to call attention to a recent paper from Oak Ridge National Lab (ORNL) that was published by the Society for Automotive Engineers (SAE). This study examined the effects of E15 on malfunction indicator lights (MIL), also known as “check engine lights.”
As might be expected given the source sponsoring the SAE paper, the study attempts to downplay the risk of a substantial number of MIL illuminations with E15 and with E20. Nevertheless, two of the main conclusions (from the last page of the paper) are very telling and support the concer... more »