In addition, Echelon, a systems control operation based in San Jose, Calif.

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Comcast is principally involved in the operation of cable systems through Comcast Cable and in the development, production and distribution of entertainment, news, sports and other content for global audiences through NBCUniversal.

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Comcast is principally involved in the operation of cable systems through Comcast Cable Communications and in the development, production and distribution of entertainment, news, sports and other content for global audiences through NBCUniversal.

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Similar systems are in operation in the Pacific and Indian Oceans and the Caribbean.

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The potential for GPS systems to track traffic snarls will be on show at the World Congress on Intelligent Transport Systems (ITS) in New York this week, where one of two systems that went into operation earlier this month will be showcased.

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Replacement battery systems are now being fitted to all 50 Dreamliners that had been in operation with airlines around the world.

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