To create a new definition for alternative fuels. The definition of “alcohol fuel” would be “any alcohol made from a product other than petroleum or natural gas that is used alone or in combination with gasoline or other petroleum products for use as a fuel in self-propelled motor vehicles”.   Official Text and Analysis.

To add a definition of alternative fuel, E85 motor fuel, and nonharzardous motor fuel to the Motor Fuel Quality Act. The substitute bill also replaces the term "alcohol fuel" with the term "E85 motor fuel" for purposes of certain sales and use tax exemptions and B&O tax deductions that relate to the sale or distribution of alternative fuel, biodiesel, or alcohol fuels.

To prohibit the use of biodiesel fuel derived from palm oil in satisfying the biodiesel fuel requirement established in RCW 19.112.110, unless: (1) there is not sufficient Washington grown feedstock available to produce the biodiesel from other sources; and (2) the palm oil was purchased from a company that participates in, and follows the directives of, the Roundtable on Sustainable Palm Oil.

To add Anhydrous ammonia fuel to the definition of "alternative fuel." Removes the requirement that: showing of sufficient Washington grown feedstock be from biodiesel produced specifically from available canola, rapeseed, or mustard oil to just biodiesel.