Equinox Class - Innovation and performance are built in. Boasting a 45% improvement in energy efficiency over its predecessors and built with a Tier II compliant engine and a fully integrated IMO approved exhaust gas scrubber to remove 97% of all sulphur oxides from shipboard emissions, the Equinox Class represents the next generation in environmental performance. Equinox Class - it’s what you can’t see that matters most! Algoma Central Corporation