Speed is expensive. The power required to overcome aerodynamic drag increases with the cube of the velocity. As such, eight times as much power is required to overcome the aerodynamic drag produced from travelling twice as fast. At speeds ... Read More
Greenhouse Gases and Emissions These gases are accepted as predominantly responsible for the greenhouse effect and consequent global climate change. This so-called basket of gases was agreed at the Kyoto summit in 1997 which was ratified in 2005 by ... Read More
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