What Were the Primary Reasons Automobile Companies and Autoworker Unions

What were the primary reasons automobile companies and autoworker unions initially opposed raising CAFE standards?

A) They claimed these standards would lead to even more emissions as people drove even farther and longer.
B) They worried that the U.S. auto industry would become uncompetitive internationally and lead to a drop in sales.
C) They argued that new standards were a distortion of the free market, a violation of individual choice, and a path to smaller, more unsafe vehicles.
D) They claimed new standards would threaten traditional American-style vehicle designs and lead to an "Europeanization" of the American auto industry.