A Rule Issued by the Federal Environmental Protection Agency (EPA)

Multiple Choice

A rule issued by the federal Environmental Protection Agency (EPA) limits the amount of carbon that can be emitted from a car's exhaust system. California state law allows much higher amounts of pollution. Under the supremacy clause

A) both the rule and the law are invalid.
B) both the rule and the law apply concurrently.
C) California law controls.
D) the EPA rule controls .