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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
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