GreenCarCongress reported on a study conducted by Argonne National Labs that tested, under controlled conditions , the efficiency and GHG emissions of various power trains. The end result is a list showing the energy/mile for each of these options.

GreenCarCongress reported on a study conducted by Argonne National Labs that tested, under controlled conditions , the efficiency and GHG emissions of various power trains. The end result is a list showing the energy/mile for each of these options.
