Most ships now use diesel engines. Some naval ships have nuclear reactors
"Petrol from the ships" Is a famous phrase by Mina Ruhini, which firmly answers your question - Ships run on petrol.
They use diesel engines.
Different ships use different fuels according to their needs. Most large cargo ships use bunker fuel which is a form of crude oil. Some ships use diesel fuel. Some modern commercial ships are employing nuclear fuels. Some military ships use diesel for their normal operating engines and for more speed they will use jet fuel for gas turbine engines.
Yes, biofuel, like biodiesel, will run in diesel engines. Many ships have diesel engines run on fossil fuel diesel and they will easily run on biofuel.
The ships have their own electrical generation capabilities, usually combined with their diesel-electric engines.
Diesel engines were first used in submarines and ships since before they were used in cars. According to "Diesel engine history", a Russian oil company named Branobel designed the first diesel engine for use on a ship, the first of which were launched in 1903.
Cruise ships run on diesel fuel to power generators while in port, and heavy fuel oil while sailing.
If the engine has spark plugs, use gasoline. If it has a diesel injection pump, use diesel.
Bitumen is not commonly used as fuel in ships. Ships typically use marine diesel or heavy fuel oil as fuel due to their higher energy density and compatibility with ship engines. Bitumen is more commonly used in road construction and waterproofing applications.
big mashines (trains, ships,...)
Ships can use a variety of energy sources, including diesel fuel, heavy fuel oil, liquefied natural gas (LNG), and electricity from onboard generators. Some ships also use alternative energy sources such as wind or solar power to supplement their traditional fuel sources.