MARSHFIELD — The man who died after his car plunged off the Marshfield Town Pier has been identified as a 42-year-old Kingston man.Police say Gregory Cicchetti was alone in an Audi S4 that went off the end of the pier at about 6 p.m. Monday.The car quickly submerged. Rescuers had to break the car's windows to get to the driver.The victim was taken to the hospital after he was pulled from the vehicle where he was pronounced dead.Prosecutors say the death does not appear suspicious.The death remains under investigation.