Local view for "http://purl.org/linkedpolitics/eu/plenary/2007-12-11-Speech-2-325"
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"en.20071211.38.2-325"2
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"The issue of noise emissions of four-wheeled motor vehicles – cars, vans, trucks and buses – is addressed by UNECE Regulation No 51 and equivalent Directive 70/157/EEC introducing noise tests and limit values.
It is expected that the work can be finalised in 2008. The Commission will then propose to adhere to the relevant UNECE regulation with revised limit values.
In addition, the Commission has recently carried out a consultation exercise on a package of measures on tyres, including the reduction of the existing noise limit for tyres. The consultation proposes reduction of around 4 dBA for passenger car tyres and 6 dBA for commercial vehicle tyres: it is quite considerable. The new limits would be expected to come into force for new tyre types around 2012.
The limit values have been reduced several times in the past, most recently in 1995. The maximum allowed sound level lies today between 74 dBA for passenger cars and 80 dBA for heavy trucks. A further allowance is given to direct-injection diesel engines, off-road vehicles and sports cars.
This latest reduction did not have the expected effect and subsequent studies showed that the measurement method does not reflect real-world driving behaviour any more.
It was therefore decided that, before reducing the limits once again, it was first of all necessary to develop a new test cycle and bring the driving conditions for the noise test closer in line with real-life driving operations.
The work on a new test cycle is now finalised. It will replace the existing test protocol with a better measurement method reproducing the sound levels generated by heavy vehicles during normal driving in urban traffic.
With the new test procedure, it is foreseen that the existing additional allowances for certain vehicles or technologies will be abolished.
Before this method can be used for type-approval purposes, new limit values for this method need to be established on the basis of an impact assessment. In order to obtain representative data to determine those values and establish a solid impact assessment, vehicle manufacturers are obliged to carry out the old and the new measurement methods in parallel during a period of two years.
The old method will continue to be required, in order to receive type approval, and the new method will be used for monitoring purposes until 2009. As soon as the collection of data is finished, the Commission will propose new legislation setting revised limit values.
A new test method for motorbikes is also close to being finalised. The discussions in the UNECE are now focusing on additional roadside tests that would be carried out during type approval in order to provide noise values that would allow comparison with those measured at roadside checks in order to detect motorbikes that have been tampered with or that are insufficiently maintained."@en1
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