To amend section 211 of the Clean Air Act to eliminate the phase-in period for the reduction of sulfur content in diesel fuel.

Clean Diesel Fuel Provider Relief Act - Amends the Clean Air Act to prohibit, after September 1, 2006, the manufacture or introduction into commerce of motor vehicle diesel fuel that contains a concentration of sulfur exceeding 15 parts per million or fails to meet a cetane minimum index of 40 and a maximum aromatic content of 35 volume percent.