Home › CFR › Title 49 › Part 52649 CFR Part 526 — Petitions and Plans for Relief Under the Automobile Fuel Efficiency Act of 1980§ 526.1— General provisions.§ 526.2— U.S. production by foreign manufacturer.§ 526.3— Transfer of vehicle from non-domestic to domestic fleet.§ 526.5— Earning offsetting monetary credits in future model years.