EV maker Tesla has come under fire for allegations that its vehicles can be "bricked" when their batteries are completely discharged. Such instances require that the cells be replaced to the tune of $40,000, which doesn't sit well with folks who already forked over six figures to buy a Roadster in the first place. Tesla doesn't deny the charge (pardon the pun), but it does offer a common sense suggestion to avoid the problem: simply plug the car in. Tesla implies this danger is only likely for early