Statute treatment: 40 C.F.R. § 86.082-2

Ranked leading cases interpreting this statute, drawn from 17 citation events across 14 distinct cases.

17citations total

14distinct interpreting cases

7distinct courts

1citations in last 5y

1986–2025year range

Top 11 leading cases

#1 Center for Biological Diversity v. National Highway Traffic Safety Administration (2008) ca9 139 own cites 2× in case

#2 American Automobile Manufacturers Association v. Commissioner, Massachusetts Department of Environmental Protection (1994) ca1 69 own cites 2× in case

#3 Center for Biological Diversity v. National Highway Traffic Safety Administration (2007) ca9 9 own cites 2× in case

#4 United States v. Volvo Powertrain Corporation (2014) cadc 24 own cites 1× in case

#5 Natural Resources Defense Council v. Reilly (1993) cadc 17 own cites 1× in case

#6 Motor Vehicle Manufacturers Ass'n of the United States v. New York State Department of Environmental Conservation (1994) ca2 42 own cites 1× in case

#7 United States v. Caterpillar, Inc. (2002) dcd 7 own cites 1× in case

#8 USA v. Volvo Powertrain Corporation (2012) dcd 6 own cites 1× in case

#9 Natural Resources Defense Council v. Thomas (1986) cadc 23 own cites 1× in case

#10 Jason Counts v. General Motors, LLC (2025) ca6 2 own cites 1× in case

#11 Motor Vehicle Manufacturers Association Of The United States, Inc. v. New York State Department Of Environmental Conservation (1994) ca2 1 own cites 1× in case

Ranking method: leading_score = ln(1 + own_citation_count) × √(mentions_in_case) × flag_factor, where flag_factor = 1.0 green · 0.6 unknown · 0.5 neutral · 0.4 yellow · 0.3 procedural · 0 red. Red-flagged cases excluded — their interpretation has been undermined and shouldn't lead the list. Top 20 returned per statute. Open any case for full G Cite, trajectory, and per-circuit treatment.