Many Bio plants were shut down in 2008 because of high feedstock prices vs. oil prices. They continued to be mothballed. here is one in Texas <a href="http://www.aequitascapital.com/pdf/Safe_Biodiesel_Plant_Overview_5-8-09.pdf" rel="nofollow" target="_blank">http://www.aequitascapital.com/pdf/Safe_Biodiesel_Plant_Overview_5-8-09.pdf</a>