Royal Dutch Shell and Codexis have expanded their partnership to see if biofuels made from non-food sources can be commercially viable.
The deal, announced by the two companies announced this week, is an expansion of a pilot project Codexis was working on with Shell to improve biocatalysts in conjunction with Iogen Energy.
Biocatalysts are used in cellulosic ethanol production to break down the agricultural by-products into sugars so that they can then be fermented and distilled into biofuel.
, is known for developing a "super enzyme" for its biocatalysts. and research institutions have been looking at enzymes to . General Motors is an investor in , and was one of the sponsors of a recent study that found .
One start-up company,, is even looking at using algae as a non-food source.