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Combining a conventional internal combustion engine propulsion system with an electric...
Trolleybuses and streetcars are environment-friendly means of public transportation
The bicycling manual contains rules concerning the safety equipment of bicycles.
The fastest track-based means of urban transportation.
This animation demonstrates how sonar works.
Formula 1 is the highest class and most popular type of motor racing.
As a milestone in the history of aviation, Oszkár Asboth´s first helicopter made its first...
The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed and built...