As the price of petrol increased, especially in the 1970s, car manufacturers concentrated on building more efficient engines. A more efficient engine allows a car to travel further on the same amount of fuel. The need for more efficient vehicles also increased the number of small cars produced and influenced the shape of the bodywork. Certain shapes travel through the air more easily and so use less fuel. Engineers use artificial wind tunnels to study how the different shapes of car bodies affect their wind-resistance.
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Wednesday, September 2, 2009
FUEL PRICES
As the price of petrol increased, especially in the 1970s, car manufacturers concentrated on building more efficient engines. A more efficient engine allows a car to travel further on the same amount of fuel. The need for more efficient vehicles also increased the number of small cars produced and influenced the shape of the bodywork. Certain shapes travel through the air more easily and so use less fuel. Engineers use artificial wind tunnels to study how the different shapes of car bodies affect their wind-resistance.
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