Question $14(2\mathrm{.}5$ points$)$

Indiana passes a law that requires all cars sole in Indiana to have a distinct type of

exhaust pipe. Most cars that are manufactured and sold do not have that type of

exhaust pipe. A car manufacturer in Illinois challenges the Indiana law. What U$.$S$.$

Constitutional provision should the car manufacturer base its challenge on$?$

The Dormant Commerce Clause because this law places a substantial burden on

interstate commerce.

The car manufacturer cannot bring a challenge to this law because it only

regulates activity within the state of Indiana.

The Commerce Clause because this law involved commerce that crosses state

lines.

The Privileges and Immunities Clause because this law discriminates against out$-$

of$-$state manufacturing companies.