By RICK BRUNDRETT Taxpayers in South Carolina likely will be on the hook for more than the $1 billion already dispersed to help a recently created Volkswagen company build its first electric vehicle plant near Columbia. On top of that, under a state incentives agreement obtained by The Nerve, Virginia-based Scout Motors Inc., an independent Taxpayers in South Carolina likely will be on the hook for more than the $1 billion already dispersed to help a recently created Volkswagen company build its first electric vehicle plant near Columbia.