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<p>We have made no specific assessment of the impact of low quality fuels since all
fuel supplied for road vehicles has to comply with the Motor Fuel (Composition and
Content) Regulations, and these requirements are set in order to reduce the environmental
impacts of vehicles.</p><p> </p><p>In practice, all producers supply fuel that also
meets the EN 590 (Diesel) or EN 228 (Petrol) industry standards. The Composition and
Content Regulations, and the standards, have been revised over time, most notably
to remove lead from petrol and to ensure that all road fuel is effectively sulphur-free.
There should be little difference between the air quality emissions from vehicles
running on fuels that meet the statutory and industry standards.</p>
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