Abstract: An engine and high pressure pump for a power washer mounted on a platform, the platform being mounted on a wheeled chassis having a plurality of axles, at least one of the axles being steerable by a manual handle member for maneuvering and transport of the high pressure washing assembly to a source of low pressure water, the high pressure water platform also having a plurality of frame members for storage and support of the power washer accessories, including but not limited to high pressure hose and trigger wands.

Abstract: The present invention is directed to an additive concentrate for reducing octane requirement comprising a cyclic amide alkoxylate compound of the formula I: wherein x is from 3 to 11; y is from 1 to 50; R1 and R2 are each independently hydrogen, hydrocarbyl of 1 to 100 carbon atoms and substituted hydrocarbyl of 1 to 100 carbon atoms; R3 is hydrocarbyl of 1 to 100 carbon atoms or substituted hydrocarbyl of 1 to 100 carbon atoms; each R4 is independently hydrocarbyl of 2 to 100 carbon atoms or substituted hydrocarbyl of 2 to 100 carbon atoms; R5 is hydrogen, hydrocarbyl of 1 to 100 carbon atoms, substituted hydrocarbyl of 1 to 100 carbon atoms or acyl of 1 to 20 carbon atoms; a detergent selected from polyalkenylamines, Mannich amines, polyalkenylsuccinimides, poly(oxyalkylene) carbamates and poly(alkenyl)-N-substituted carbamates and an optional solvent.