Th lng tlpp s n rgmnt sttng tht sg f lctrc vhcls ds nt lwys rslt n fwr mssns (.g. grnhs gs mssns) cmprd t ths frm nn-lctrc vhcls. Whl th rgmnt cknwldgs tht plg-n lctrc vhcls prtng n ll-lctrc md hv n grnhs gs mssns frm th nbrd src f pwr, t clms tht ths mssns r shftd frm th vhcl tlpp t th lctn f th lctrcl gnrtn plnts. Frm th pnt f vw f wll-t-whl ssssmnt, th xtnt f th ctl crbn ftprnt dpnds n th fl nd tchnlgy sd fr lctrcty gnrtn, s wll s th mpct f ddtnl lctrcty dmnd n th phs-t f fssl fl pwr plnts.