Last year , Shell’s chief technology officer, Gerald Schotman, told Reuters that Shell will narrow its research paths in advanced biofuels from 10 advanced technologies to five in 2011, and described 2011 as “the year of choices”. Last week [after previously exiting their investment in Choren, a Fischer-Tropsch technology based in Germany]  Shell announced that it will will exit its shareholding in Cellana, a joint venture between Shell and HR Biopetroleum. Today, HRBP will become the sole owner of Cellana, including its six-acre demonstration facility in Kona, Hawaii, to grow marine algae and produce vegetable oil for conversion into biofuel.
http://biofuelsdigest.com/bdigest/2011/01/31/shell-exits-algae-as-it-commences-year-of-choices/