{"data":{"id":"us/40-cfr-appendix-e-to-part-1037","jurisdiction":"us","citation":"40 CFR Appendix E to Part 1037","heading":"Appendix E to Part 1037—Power Take-Off Utility Factors","body":"Time (min) Utility factor fraction\n0 0\n10 0.1\n20 0.18\n30 0.24\n40 0.31\n50 0.36\n60 0.4\n70 0.44\n80 0.47\n90 0.51\n100 0.54\n110 0.57\n120 0.6\n130 0.64\n140 0.66\n150 0.69\n160 0.71\n170 0.74\n180 0.76\n190 0.77\n200 0.79\n210 0.8\n220 0.82\n230 0.83\n240 0.85\n250 0.86\n260 0.87\n270 0.88\n280 0.88\n290 0.89\n300 0.9\n310 0.9\n320 0.91\n330 0.92\n340 0.93\n350 0.93\n360 0.94\n370 0.95\n380 0.95\n390 0.96\n420 0.96\n430 0.97\n460 0.97\n470 0.98\n520 0.98\n530 0.99\n580 0.99\n590 1","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1037—CONTROL OF EMISSIONS FROM NEW HEAVY-DUTY MOTOR VEHICLES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"071a4f1c1953788ca238ad40ab160e786d891ce66e2212af61f6eeefa88ace19","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-d-to-part-1037","next":"us/40-cfr-1039.1"},"notice":"GroundRules: Original legal text. Not legal advice."}