This chapter is pursuant to the authority granted in RCW 43.325.080, which requires the department to adopt rules to define practicability and clarify how state agencies will be evaluated in determining whether they have met the goals set forth in RCW 43.19.648. The goals call for all state agencies, to the extent practicable, to:

(1) Achieve forty percent fuel usage for operating publicly owned vessels, vehicles, and construction equipment from electricity or biofuel by June 1, 2013, and

(2) Satisfy one hundred percent of their fuel usage for operating publicly owned vessels, vehicles, and construction equipment from electricity or biofuel, effective June 1, 2015.