CRC 05232 Diesel Fuel Therapy Diesel Injector Cleaner Plus - 30 Fl Oz. Increases power and fuel economy by up to 4% This emmissions reducing formula is rated "SUPERIOR" in Cummins L-10 Test for injector cleanliness Not VOC Compliant for California &amp; OTC Increases power and MPG This item is not for sale in Catalina Island