Cow Rumen Enzymes for better biofuels

Scientists placed mesh bags of switchgrass in the cow rumen to isolate those microbes that adhere to the grass and the microbial enzymes that help break down plant biomass. This effort yielded dozens of new candidate enzymes for biofuel production. When it comes to breaking down plant matter and converting it to energy, the cow has it all figured out. It's digestive system allows it to eat more than 150 pounds of plant matter every day.