Maintaining a clean airstream around the car is important for good fuel economy.
a type of silver-coloured trailer (=a vehicle which contains beds, a kitchen etc and which is pulled by a car) , similar to a bullet in shape. They were first made in the US in the 1930s and continue to be popular and fashionable
A form of phonetic airstream produced by a complete closure of the glottis followed by an upward (egressive) or downward (ingressive) movement of the larynx