That is increasing expectations there will be some announcement from EPA on the matter yet this week.
However, it is not clear if the agency's proposed reforms to the market for Renewable Identification Numbers (RINs) will remain linked with the E15 plan as it has been so far. Both biofuel backers and refiner interests have cited issues with the EPA proposal on reforming the RIN market, upping expectations that portion could be separated from the year-round E15 plan.
The expectation also is that the E15 action will be challenged in court, and that will likely delay the implementation.