Maintenance is easier if some of the engines can be stopped without halting the ship.

ECONOMIST: Electric ships

The ship was stopped by Turkish authorities in the port of Mersin near the Syrian border.

CENTERFORSECURITYPOLICY: About the Chavez�CIranian connection

Stranded on the crippled ship, passengers and crew lived with worsening conditions, as toilets stopped working, and waste spilled onto floors and into hallways.

CNN: February 18, 2013 -- Updated 2125 GMT (0525 HKT)

The experience on the Carnival Dream became something of a nightmare for passengers Wednesday when power went off, toilets stopped working, and no one was allowed to leave -- despite the fact that the ship was docked at Philipsburg, St.

CNN: STORY HIGHLIGHTS

The news comes after the Carnival Dream became a nightmare for some passengers Wednesday when power went off, some toilets stopped working and no one was allowed to get off the vessel -- despite the fact that the ship was docked at Philipsburg, St.

CNN: Carnival cruise has problems, again