ET3 Global Alliance

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ET3 Global Alliance Inc.

Company type	Consortium
Industry	Public transport
Founder	Daryl Oster
Headquarters	Longmont, Colorado , United States
Key people	Daryl Oster (CEO)
Products	Evacuated Tube Transport (ET3)
Website	et3.com

ET3 Global Alliance is an American open consortium of licensees that has tried to implement the Evacuated Tube Transport (ET3). It was founded by Daryl Oster in 1997.

The stated goal of the consortium was to build a global transportation system using car-sized capsules traveling in 1.5-meter-diameter tubes via frictionless superconductive maglev. Oster claims that the ET3 system will cost only 20 cents' worth of electrical energy to get up to 350 mph (560 km/h).^[1] ET3 claims that initial systems would travel at the speed of 600 km/h (370 mph) for in-state trips and later will be developed to 6,500 km/h (4,000 mph, hypersonic speed).^{[needs update]}