A federal statute requires owners of many cars to ensure at least 10 percent are electric. A city sues to enjoin enforcement as unconstitutional. Should the court grant the injunction?

• A. No, the statute is valid under the Commerce Clause and does not violate the Tenth Amendment.
• B. Yes, because it commandeers state governments to regulate others.
• C. Yes, because it intrudes on state sovereignty.
• D. No, because it exceeds congressional power.

Answer: (A)