Pittsburgh Regional Transit announces plan to transition to zero-emission bus fleet by 2045, US September 8, 2022 | News, North America News Pittsburgh Regional Transit (PRT) has announced plans to transition to a zero-emission bus fleet by 2045. PRT will start the replacement of its diesel buses with zero-emissions buses in 2025 and will ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password