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Non-road fuel consumption and pollutant emissions ... - BAFU - CH

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<strong>Non</strong>-<strong>road</strong> <strong>fuel</strong> <strong>consumption</strong> <strong>and</strong> <strong>pollutant</strong> <strong>emissions</strong> FOEN 2008 128<br />

A4-3 Petrol-powered appliances<br />

Tab. 27 > Emission factors of appliances with 4-stroke petrol engines (in g per kWh)<br />

For appliances put into circulation before 2004, the emission factors are based on the<br />

corresponding assumptions (Pre-EU) instead of on emission limit values. The year of<br />

introduction is shown in parentheses.Figures in italics: assumption concerning future<br />

development of emission factors.<br />

Engine-power class Pre-EU A Pre-EU B Pre-EU C EU I EU II EU III<br />

Carbon monoxide (CO)<br />

225 cc 470 470 470 467 467 400<br />

Sources for emission <strong>and</strong> <strong>consumption</strong><br />

factors:<br />

Split of cumulative limit value of HC +<br />

NOx, less 10%<br />

Limit values less 10%<br />

Reduction parallel to reduction of HC<br />

<strong>emissions</strong><br />

Assumption or adopted level from<br />

another emission stage/engine-power<br />

class (arrow)<br />

Hydrocarbons (HC)<br />

225 cc 20 20 20 10 9 6<br />

Nitrogen oxides (NOX)<br />

225 cc 3.5 3.5 3.5 2.2 1.9 2<br />

Fuel <strong>consumption</strong> (FC)<br />

225 cc 460 460 460 450 450 450<br />

Assumptions regarding introduction of emission stages<br />

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