It’s important to note that these figures are averages, and actual emissions can vary based on factors such as vehicle maintenance, driving habits, and technological advancements.

Additionally, while motorcycles may have lower CO₂ emissions per mile compared to larger vehicles, they can emit higher levels of other pollutants, such as nitrogen oxides (NOx), due to less stringent emission controls.

The Correlation of fuel economy gains and emissions calculator

— and here’s how it works, especially in the context of the fuel improvements with AMSOIL® Fuel additives.

Cleaner Fuel Systems = Better Combustion

When fuel injectors, intake valves, and combustion chambers are clean (as shown in the P.i.® test results), fuel is atomized and burned more efficiently.

Efficient combustion reduces the amount of unburned hydrocarbons (HC), carbon monoxide (CO), and nitrogen oxides (NOx) — the main emissions regulated by the EPA.

Better Combustion = Less Fuel Wasted

If the engine is burning fuel more completely, it uses less fuel to produce the same amount of power — leading to improved fuel economy.

AMSOIL P.i.® demonstrated fuel economy improvements of up to 5.7%, which is directly tied to more complete combustion and thus, lower emissions.

What Fuel Cleaner Data Shows

✅ Emissions Reductions

Reducing harmful emissions helps improve air quality and enhances overall engine efficiency

✅Hydrocarbons (HC) ↓ up to 15%

Lower hydrocarbon emissions indicate more complete fuel combustion, minimizing unburned fuel waste.

✅Carbon monoxide (CO) ↓ up to 26%

A significant reduction in carbon monoxide means the engine is burning fuel more efficiently, producing cleaner exhaust gases

✅Nitrogen oxides (NOx) ↓ up to 17%

Lower NOx emissions contribute to less air pollution and reduced formation of smog and acid rain.