Question

select all the correct answers.
which of the following scenarios would the national highway traffic safety administration be involved in?
□ investigating the use of a faulty gearbox in a semitrailer
□ determining the number of cars sold in the country in a year
□ building railways within city limits
□ modifying the fuel efficiency standards for new cars
□ setting the emission standards of an automotive factory

Explanation:

Answer:

investigating the use of a faulty gearbox in a semitrailer, modifying the fuel efficiency standards for new cars