Seattle Biodiesel is a national leader in next-generation biodiesel refining and manufacturing technology, bioneering advanced technology solutions for sustainable energy. We work with farmers to produce premier alternative fuels crafted from the finest possible oilseeds stock. As the Northwest's first commercial scale (5 million gallons a year) refinery producing ASTM-certified biodiesel, we are committed to enhancing local energy economies while producing high quality fuel that consistently exceeds industry standards.