Non-road fuel consumption and pollutant emissions ... - BAFU - CH
Non-road fuel consumption and pollutant emissions ... - BAFU - CH Non-road fuel consumption and pollutant emissions ... - BAFU - CH
Non-road fuel consumption and pollutant emissions FOEN 2008 88 8.5.2 Emissions Petrol engines above all produce high levels of carbon monoxide and hydrocarbon emissions (Fig. 45, top). 2-stroke engines account for 72% of HC emissions, despite the fact that they only account for 35% of fuel consumption. Development of pollutant emissions from 1980 to 2020 A pronounced decrease in hydrocarbon emissions is to be anticipated over the next few years, since the more stringent EU exhaust regulations will mean that new engines will emit lower levels (Fig. 45, bottom right). This tightening of emission limit values, which only applies within the EU, will also mean that 4-stroke engines will increasingly replace 2-stroke engines, so that the inventory of the latter will decrease. With respect to carbon monoxide, the decrease in emissions over the next few years is expected to be relatively modest.
8 > Fuel consumption and pollutant emissions by machine category 89 Fig. 45 > Garden-care/hobby appliances: emissions in 2005 and chronological development Top left: only machine types with emissions > 290 tonnes p.a. Top right: only machine types with emissions > 30 tonnes p.a. Carbon monoxide (CO) Hydrocarbons (HC) total: 10,200 t/a 1515 403 1600 total: 1,520 t/a 115 62 778 388 301 2380 1090 642 1150 254 40 105 106 295 31 58 450 Motor scythes, trimmers, cutters (professional) Lawn mowers (professional) Ride-on mowers (professional) Chainsaws (professional) Lawn mowers (household) Chainsaws (household) Snow blowers (household) Other machine types (
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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 88<br />
8.5.2 Emissions<br />
Petrol engines above all produce high levels of carbon monoxide <strong>and</strong> hydrocarbon<br />
<strong>emissions</strong> (Fig. 45, top). 2-stroke engines account for 72% of HC <strong>emissions</strong>, despite<br />
the fact that they only account for 35% of <strong>fuel</strong> <strong>consumption</strong>.<br />
Development of <strong>pollutant</strong> <strong>emissions</strong> from 1980 to 2020<br />
A pronounced decrease in hydrocarbon <strong>emissions</strong> is to be anticipated over the next few<br />
years, since the more stringent EU exhaust regulations will mean that new engines will<br />
emit lower levels (Fig. 45, bottom right). This tightening of emission limit values,<br />
which only applies within the EU, will also mean that 4-stroke engines will increasingly<br />
replace 2-stroke engines, so that the inventory of the latter will decrease. With<br />
respect to carbon monoxide, the decrease in <strong>emissions</strong> over the next few years is<br />
expected to be relatively modest.
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