BEV's are battery. it also notes that as renewable energy mix increases, battery had biggest chance for impact. also using better sources of ethanol than corn whichhave lower land use change impact. best right now is plug-in hybrid and best in the near future will be battery if we continue increasing renewable power sources and displacing coal. long term future would be fuels made from pyrolysis of biomass (currently not well developed so $$$)
Argonne ran a COST analysis which shows e85 is the CHEAPEST way to reduce CO2, while battery vehicle, at current prices and energy mix, are the most expensive pathway. in terms of $ spent per ton CO2 avoided.
Really guys this stuff is all out there from relevant, reliable peer reviewed experts and super easy to find, to interpret and to base your opinions on reliable evidence instead of sensationalized media propaganda and knee-jerk responses like "well if you factor in the farming it's a wash anyway"
Is it? is it really though? MAYBE! but you can find out a hard yes or no instead of just resting on incomplete assumptions; really easily!