California's efforts to control vehicle emissions can be challenged by fuel producers, the U.S. Supreme Court ruled Friday. The 7 to 2 opinion did not invalidate certain emission standards but said that the companies' legal effort against the emissions efforts should not have been tossed out by a lower court.

The 7-to-2 decision stressed that it did not address the merits of the dispute, and concerned only whether the producers had standing to sue.

The Supreme Court ruled Friday that fuel producers have standing to challenge EPA approval of California vehicle emissions and electric vehicle policies. Why it matters: The 7-2 decision enables more lines of attack against California officials,