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Source:
www.nea.gov.sg |
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More Stringent Smoke Test for
Diesel Vehicles from 1 January 2007 |
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With effect from 1 January 2007, all
diesel-driven vehicles will be required to undergo the chassis
dynamometer smoke test (CDST) during their mandatory periodic
inspections, in place of the existing free-acceleration smoke test
(FAST). |
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The use of the CDST for mandatory periodic
inspections will further reduce the number of smoky vehicles on the
road. Black smoke emission from diesel-driven vehicles not only pollutes
the air but causes health problems such as lung disease and respiratory
disorders. |
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This latest requirement comes close on the
heels of the earlier introduction of the more stringent EURO IV emission
standards and the ultra low sulphur diesel, and is part of a concerted
bid to further improve air quality and protect public health. |
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Although the smoke emission standard for
in-use diesel vehicles will continue to be 50 HSU* , the CDST is a more
representative test method as compared to the FAST, as it measures smoke
emission level of a diesel-driven vehicle under actual driving
conditions. |
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The CDST system is able to place a diesel
vehicle under simulated ＾load￣ conditions to measure its smoke emission
during on-the-road driving. This is a more accurate reflection of the
actual performance of a diesel-driven vehicle on the road. |
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The CDST has been used to test diesel
vehicles that have been booked for smoke emission in Singapore since 1
September 2000. In 2005, a total of 7,382 diesel-driven vehicles were
required to undergo the CDST. |
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The results have shown that the CDST is an
effective test for weeding out smoky diesel vehicles. Poorly maintained
vehicles were unable to pass the test and had to undergo proper
maintenance before they could pass. |
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With the CDST, the vehicle inspection
centres have indicated that the inspection fees for diesel-driven
vehicles could increase in the region of $17 to $26 depending on the
type of vehicle. |
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The fleet owners have been briefed on the
introduction of the CDST for mandatory periodic inspections. In
addition, owners of diesel-driven vehicles will be informed of the new
CDST requirement through the vehicle inspection notices sent out by the
Land Transport Authority (LTA). |
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*HSU is Hartridge Smoke Unit which
measures the darkness of smoke. |
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Source:
www.nea.gov.sg News Release 26
Oct 2006 |
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Important
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FrontPage Edition: Fri 3 November 2006
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