An enzyme found in soybeans could turn an ingredient in vehicle exhaust into new usable fuel, according to a new study. It's a major step on the path toward making fuel out of thin air.
Scientists were working with a microbe called Azotobacter vinelandii, which is found around the roots of various food plants. It creates an enzyme called vanadium nitrogenase, which produces ammonia from nitrogen.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.