To prohibit the Administrator of the Environmental Protection Agency from granting a waiver under section 211(f)(4) of the Clean Air Act for any fuel or fuel additive that will reduce fuel efficiency or cause or contribute to engine damage.

[AI summary unavailable — showing source text] Amends the Clean Air Act to prohibit the Administrator of the Environmental Protection Agency (EPA) from granting a waiver from prohibitions concerning new fuels and additives in light duty motor vehicles for any fuel or fuel additive that will: (1) reduce the fuel efficiency of the vehicle or engine, or (2) cause or contribute to any damage to the vehicle engine.…