Why are sane people trying to convert $2.70 of soybean oil into $1.50 of bus fuel? They thought they had a deal with Congress. Two years ago Imperium Renewables feted U.S. senators and other bigwigs ...

Imperium Renewables, the Seattle-based biodiesel company building a large refinery in Grays Harbor, wants to raise up to $345 million from a public stock offering to finance a major expansion into the ...