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first gas well is built
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first oil well drilled in US
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Karl Benz builds a three-wheel automobile powered by a gasoline engine.
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First Air Conditioner worls
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America's first aluminum can recycling plants open in Chicago and Cleveland
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Geothermal energy is tested succesfully
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Hoover Dam opens
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First nuclear power plant in the US
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The all-aluminum can is introduced and a massive recycling and recovery system is implemented to recycle the used cans.
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The polyethylene terephthalate plastic bottle is patented by chemist Nathaniel Wyeth which soon began to replace glass bottles. The recycling of the plastic soon followed.