Cooking up more uses for leftovers as biofuel output rises Critics of corn ethanol like to say the process isn't very efficient. Part of that is because your products aren't just fuel. Finding other high-value applications lets producers justly say, this is not a waste stream. It adds to the profitability of the plant.
The 11th Hour: Helpful hints for saving the planet Yes, environmental situation is bad, but it's not over yet. The film argues that we can save ourselves, along with the sky above us and the earth below.
