I'm thinking, this should be about the bottom. In 5.5 months, on...

I'm thinking, this should be about the bottom. In 5.5 months, on January 1, 2020, the International Maritime Organization (IMO) will enforce new emissions standards designed to significantly curb pollution produced by the world’s ships.
https://www.cnbc.com/2019/07/15/oil-imo-2020-marks-the-biggest-change-in-oil-market-history.html

then....
Port Report: Virginia Looks To Develop LNG As Ship Fuel
One of the largest eastern U.S. ports is looking to promote the use liquefied natural gas as the marine fuel of the future.The Port of Virginia announced it will become the first U.S. port to join SEA/LNG, an industry coalition aimed at accelerating the adoption of LNG as a marine fuel.
https://www.hellenicshippingnews.com/port-report-virginia-looks-to-develop-lng-as-ship-fuel/

Also, LNG is better than scrubbers.....
A recently released study contends that LNG as a marine fuel is “the most financially effective long-term method for complying with the IMO 2020 sulphur cap”.
https://www.rivieramm.com/news-content-hub/lng-as-fuel-outperforms-scrubbers-says-study-55536