http://www.marinelink.com/news/epa-tier-2-engine-for-epa-vessel/epa-tier-2-engine-for-epa-vessel326308
EPA Tier 2 Engine for EPA Vessel
The R/V Lake Guardian (ex: Marsea XIV) is, at 180 x 40 ft., the U.S. Environmental Protection Agency's largest research and monitoring vessel…