Inside a nondescript warehouse in West Seattle’s gritty industrial district, next to train tracks that carry goods across the West and adjacent to the Interstate 5 corridor that moves cars and trucks from the borders of Canada to Mexico, a new vision for America’s transportation future is emerging. Using 7,000-gallon metal tanks salvaged from an old Rainier Brewery facility and a proprietary continuous-batch refining process, Imperium Renewables is hoping to brew up a revolution of its own as it turns virgin soybean, canola, and other oils into biodiesel fuel.
Imperium is one of a number of innovative companies involved in the rapidly expanding market for biofuels ...
