Oxyfuel

Yes — an oxygenate fuel additive can sometimes improve acceleration, but it is not guaranteed.

The image claims “enhances engine power” and “increases fuel economy,” but those are marketing claims that depend heavily on the additive formulation and engine.

How it could improve acceleration

  1. Higher octane → less knock

    • If the additive raises octane sufficiently, an engine that is knock-limited may be able to maintain more favorable ignition timing.
    • That can produce more torque and potentially faster acceleration. The U.S. Department of Energy specifically notes that higher-octane fuel can provide faster acceleration when the engine is designed/tuned to exploit the higher octane.
  2. Oxygenate → potentially cleaner combustion

    • Oxygenates contain oxygen and can help combustion under some conditions, reducing CO and other emissions.
    • But cleaner combustion does not automatically mean more horsepower.
  3. Modern ECU limitation

    • A modern gasoline engine generally adjusts fueling using its sensors. Simply adding oxygenate doesn't necessarily make it produce more power. EPA technical material notes that newer closed-loop vehicles compensate for the oxygen in oxygenated fuel.

Important distinction

Situation Acceleration effect
Low-octane fuel causing knock Could improve
Engine designed for higher octane Could improve
Dirty injectors/deposits and additive cleans them Could restore lost performance
Normal modern engine + ordinary oxygenate Usually little/no noticeable increase
Excessive/incorrect additive Can reduce performance or cause problems

Also, oxygenated fuels don't inherently contain more energy per liter. For example, the U.S. DOE notes that higher ethanol content has lower energy per gallon, so “more oxygen” should not be interpreted as “more energy.”

So for your OxyFuel concept: a scientifically defensible claim would be “may improve combustion and, where appropriate, octane performance; potential acceleration improvement depends on the engine and formulation.” I would not claim a guaranteed acceleration increase without dyno testing.

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