Irish Rail and DiGas to retrofit diesel locomotive with hydrogen engine September 22, 2023 | Company News, Europe Company News, Europe News, News Irish Rail (IÉ) has signed a contract with Latvia-based DiGas to retrofit a Class 071 diesel locomotive with a hydrogen internal combustion engine as a proof of concept under a EUR1.5 million project.... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password