On 7 March WPI reported:  EPA issued a proposed rule on 1 March to provide a waiver of the Clean Air Act that would permit E15 use, through the summer months, in eight Midwestern states, in response to a petition from those states’ governors. However, the proposed EPA rule – if finalized - wouldn’t take effect until 2024, and thus won’t apply to the summer of 2023. The intention of the rule was well received, but missing the deadline is a major disappointment to the ethanol and corn sectors.  As we noted, the rulemaking timeline actually sets back E15 because in April of 2022 the Biden EPA issued a one-year emergency waiver to allow year-round E15 in part to reduce retail gasoline prices, but that waiver...