EPA tier 2 engine for EPA vessel

摘要

The Lake Guardian (ex Marsea XIV) is, at 55m by 12.30m, the US Environmental Protection Agency's largest research and monitoring vessel, and is operated by EPA's Chicago-based Great Lakes National Program Office. Launched as the Marsea X/Vfrom Halter Marine's Pascagoula shipyard in 1981, the Lake Guardian was converted to a research vessel in 1990 and is in its 18th season in the Great Lakes.