In the 1970s, the Organization of Petroleum Exporting Countries (OPEC)
Tripled the price of petroleum, causing automobile manufacturers to look for ways to produce more fuel-efficient cars by substituting aluminum and plastic for steel.This was primarily a response to the economic question of:

Question

Quizplus · Accepted Answer

The shift to using aluminum and plastic instead of steel in car manufacturing was a response to the need for more fuel-efficient cars, addressing the economic question of "How should goods and services be produced?" to adapt to the higher petroleum prices.