USA: Pentadyne to provide eco-friendly flywheels for Long Island Rail Road August 14, 2009 | North America Company News New York-based Long Island Rail Road is involved in a USD5.2 million pilot project to utilise carbon fibre flywheels, for its West Hempstead line. The special flywheels, supplied by Pentadyne, store e... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password