Read the following excerpt from a student essay. How can the writer best improve his or her word choice?

Automobile companies should be required to manufacture more fuel-efficient vehicles. This shift would help the environment by lowering the demand for
crude oil and lowering the level of pollutants released into the atmosphere. If fuel-efficient cars were manufactured, the economy would improve, too. As
people lowered their expenses for gas, they would be able to increase spending on other products. Also, manufacturing these cars would drive
technology forward: other new products would likely be manufactured, too.

by fixing misused words
no improvement needed
by including more figurtive language
by reducing repetative language