Don't OPVs still have the problem of breaking down too quickly? > "I am very positive for OPV, and it may not need five years," he added. Ah, the magic five y

Don't OPVs still have the problem of breaking down too quickly? > "I am very positive for OPV, and it may not need five years," he added. Ah, the magic five years. Whenever you see someone say it's five years away it means they have no idea when, or if it'll come to market.