Meanwhile, Downing Street has revealed the carbon dioxide emissions from the prime minister's plane will be "offset" by making an investment in "energy-saving technology" in the developing world.

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The first of the buses, which use energy-saving hybrid technology, will hit London streets next month.

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The energy-saving LED technology and the high-capacity battery allow users to display videos with full brightness for up to 80 minutes without need to recharge the battery.

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These, combined with its battery-saver core and energy-saving PRISM 2 technology, deliver hours of gameplay on a single charge.

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The forum's founding members are all involved in advanced technology and solutions associated with the Internet of Things, including commercial infrastructure monitoring, energy-saving street lighting, home automation, energy monitoring and low power radio technology for sensors.

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Among the energy-saving options, two promising technology switches are the electrification of transportation (electric vehicles can be about four times as energy-efficient as standard fossil-fuel vehicles) and the use of electric-powered heat pumps to deliver winter heating and hot water (heat pumps can be four times as energy-efficient as standard heaters).

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The effort is called MyEnergi Lifestyle, and according to a model cooked up by the Georgia Institute of Technology, its energy-saving tricks could reduce the energy costs of an average single family home by as much as 60-percent.

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