The Commitment (C) Class liquefied natural gas (LNG) powered combination container Roll-On/Roll-Off (ConRo) ships are being built by VT Halter Marine for Crowley Maritime Corporation's liner services group. Crowley signed a contract with VT Halter Marine, a subsidiary of VT Systems, for two vessels of the new Commitment (C) Class in November 2013.
The rising popularity of mammoth aircraft has led to a drastic need for runways long enough to cater for them. As airports adjust to handle aircraft such as the Airbus A380, airport-technology.com profiles some of the world's longest commercial runways. Whether constructed out of asphalt or concrete, runways across the world are getting longer.