Further, the 15 largest ships in the world emit as much nitrogen oxide and sulphur oxide as the world's 760 million cars. The problem isn't necessarily with the ships' 109,000-horsepower engines ...
MIAMI (AP) — The world's largest cruise ship — the size of almost four city ... It is powered by six dual-fuel engines, which can be powered by liquefied natural gas (LNG), a fuel alternative ...
Cruise ship engines have an estimated methane slip of ... Methane is a powerful greenhouse gas and is the second-largest contributor to climate warming after carbon dioxide, according to the ...