B.C. Ferries spending spree could be good news for orcas

B.C. Ferries plans to retire 18 aging vessels over the next 12 years and that is likely good news for the southern resident killer whales that share the waters with the ferry fleet.
The Crown corporation will spend $2 billion on 22 new vessels, with the next round of new vessels to begin service in 2020. New ferry construction will prioritize noise reduction through improved propellers, quiet military design features, wake management and engine noise dampening.
A typical ferry operating at