Some researchers say that's the answer. Many people believe that, if we want to keep driving our cars, we need to look for alternative liquid fuels. And now researchers are developing a way to mine the carbon in plants.
Plants take in carbon dioxide from the air.
The biomass is first chopped up. It's true that biomass is a cheaper raw material than oil. But the catch for now is the cost of converting it to energy. We're Block and Byrd for Earth and Sky.