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Course: AP®︎/College Environmental science > Unit 5

Lesson 4: Energy conservation

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Energy conservation

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A chronicle of new vehicle fuel economies was published by the U.S. Environmental Protection Agency in the 2020 Automotive Trends Report.

Which of the following factors is most likely to have triggered the change in fuel economy that began in 2004?

(Choice A)
The growing popularity of sub-compact sedans caused a decrease in fuel economy.
(Choice B)
Integrated battery technology and more efficient engines allowed for increased fuel economy.
(Choice C)
Consumer trends towards large 4-wheel drive vehicles allowed for an increased fuel economy.
(Choice D)
Incorporating larger combustion engines into more vehicles allowed for increased fuel economy.

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