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<p>The Department is considering how to collect real-world CO<sub>2</sub> emissions
data, including consulting on whether such data should be captured through the MOT,
and will continue to engage with interested parties as the methodology is finalised.
The data collection methodology must be finalised before the first annual report can
be produced.</p><p>The Department will assess real-world representativeness of CO<sub>2</sub>
emissions and fuel or energy consumption values, once the methodology for collecting
real-world data has been agreed with industry and subsequently introduced into law.</p><p>The
Department is considering how fuel and energy consumption data could inform amendments
to type approval testing procedures and certificates for petrol and diesel cars and
light commercial vehicles. Specifically on plug-in hybrid electric vehicles, the Department
intends to update the calculation procedure for their carbon dioxide emissions to
respond to the widely recognised gap in their real-world emissions performance compared
to official approval values. This will be consulted on in due course.</p><p> </p>
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