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:

The National Highway Traffic Safety Administration focuses on highway - related safety and vehicle - related safety aspects. Investigating a faulty gearbox in a semitrailer is related to vehicle safety on highways. Modifying fuel efficiency standards for new cars can impact vehicle performance and safety on the roads.

Answer:

Investigating the use of a faulty gearbox in a semitrailer, Modifying the fuel efficiency standards for new cars