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Roman, Harry T. – Technology and Engineering Teacher, 2014
Roadways are literally soaked with petrochemical byproducts, oils, gasoline, and other volatile substances that eventually run off into sewers and end up in rivers, waterways, and other undesirable places. Can the roads be cleaned of these wastes, with their proper disposal? Can vehicles, robots, or other devices be designed that could be driven…
Descriptors: Sanitation, Wastes, Fuels, Motor Vehicles
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Katsioloudis, Petros J.; Jones, Mildred V. – Technology and Engineering Teacher, 2011
As one reads about the history of humans, he/she sees very early on that humans are naturally "tool users." More specifically, humans used tools as a means of subsistence and survival. Even today humans use tools to extend their capabilities beyond imagination. These tools are even used as weapons. However primitive, these early weapons would soon…
Descriptors: Weapons, Pollution, Hazardous Materials, Environmental Education
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Roman, Harry T. – Technology and Engineering Teacher, 2011
Over 100 years ago, the great inventor Thomas Edison warned that gasoline cars would pollute the environment and lead to gasoline shortages. He preferred the use of clean electric vehicles. He also put his money where his mouth was and developed an entirely new alkaline storage battery system for his beloved cars, the nickel-iron storage battery.…
Descriptors: Fuels, Motor Vehicles, Energy, Storage
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Childress, Vincent W. – Technology and Engineering Teacher, 2011
People around the world are concerned about affordable energy. It is needed to power the global economy. Petroleum-based transportation and coal-fired power plants are economic prime movers fueling the global economy, but coal and gasoline are also the leading sources of air pollution. Both of these sources produce greenhouse gases and toxins.…
Descriptors: Fuels, Global Approach, Pollution, Energy