Anna Hill speaks to a company using left over grain from distilleries to make resin, which can be mixed with agricultural by-products like corn stover to make a building material. Show more
Discover 11,128,835 listings and 273,509 playable programmes from the BBC
Anna Hill speaks to a company using left over grain from distilleries to make resin, which can be mixed with agricultural by-products like corn stover to make a building material. Show more