¥Ethanol and biodiesel both used presently
–3/28/2005 -- Ethanol generates 35% more energy than it takes to produce (Michael
Wang at US Department of Energy's Argonne National Laboratory).
–PROBLEM: Crutzen
et al. (2007): biodiesel from rapeseed and bioethanol from corn (maize), can contribute as much or more to global warming by N2O emissions than cooling by fossil fuel savings
–Also
driving up the cost of corn