Fuel
The fuel economy of an automobile relates distance traveled by a vehicle and the amount of fuel consumed. Consumption can be expressed in terms …
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Emergency lane
A shoulder is an emergency stopping lane by the verge of a road or motorway. The purpose of building a shoulder is that in the event of an emerg…
Emergency exit
An emergency exit in a structure is a special exit for emergencies such as a fire: the combined use of regular and special exits allows for fast…
Customs
Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, tran…
Crosswind
A crosswind is any wind that has a perpendicular component to the line or direction of travel. This affects the aerodynamics of many forms of tr…
