Update rule sections to adopt Federal requirements for labeling; reflect current versions of referenced department forms; change adopted reference of the National Institute of Standards and Technology (NIST) Handbook 44 from a direct reference to another rule reference to ensure consistency with regard to adopted versions; amend biodiesel labeling requirements to better reflect current changes in the market with respect to diesel fuels blended with biodiesel; amend penalty section to more appropriately apply penalties to violations of this rule and update references in the penalty section; update sections of rule to account for the recent Division and Bureau level mergers; adopt diesel fuel nozzle size requirements for retail dispensers; adopt EPA labeling requirements for E15 fuel dispensers; adopt labeling requirements for mid-level ethanol blends; amend diesel fuel dispenser labeling requirements to reference applicable CFR requirements, which will update the labeling requirements to current codes; amend rule to reflect recent statutory changes to transfer collection of the petroleum inspection fee to the Florida Department of Revenue; and adopt labeling specifications for gasoline blended with butanol.