New Tech to Catch Sulfur-Oxide Rule Breakers

Authorities use new tech to catch sulfur-oxide rule breakers as many many nations aim for full compliance with IMO 2020 regulations.
Preparations are underway to use a large, unmanned flying vehicle capable of traveling well over 10 miles from the shore to detect emissions from ships.
In Hong Kong, rule breakers face large fines and up to six months in prison, similar — albeit smaller — machines are currently being tested for the same purpose.
The unmanned vehicles will fly into plumes of...