Cars and vans to have ‘on-board fuel consumption monitoring devices’ from 2021
All new cars and vans will be equipped with on board
standardised and accessible fuel and energy consumption monitoring devices from
2021, if the proposal is adopted by the European Commission.
The proposals comes from the Commission’s Technical
Committee of Motor Vehicles (TCMV), which has also outlined a tightening of the
new Real Driving Emissions (RDE) standard with proposals for so called RDE3 and
Both measures build on the new carbon dioxide emissions
and fuel economy testing procedure, the World harmonised Light vehicle Test
Procedure (WLTP), and the related RDE1 and RDE2, which specifically measures
nitrogen oxide (NOx) and particle numbers (PN) in real-world driving
In a statement revealing the potential fitment of the new
technology to cars and vans, the European Commission said: “Fuel consumption
directly relates to the CO2 emissions. The new feature, so called ‘on-board
fuel consumption monitoring device’ allows for the first time to compare
laboratory results for CO2 emissions with the average real driving situation.
This will also provide valuable information to consumers.”
After a three-month scrutiny period in the European
Parliament and Council, the Commission will adopt the proposal, which would
then apply from 1 January, 2019.”
Meanwhile, RDE3 and RDE4 further refine the RDE1 and RDE2
testing procedures. Specifically RDE4 ensures transparent and independent
control of emissions during a vehicles’ lifetime.
Type approval authorities will have to check each year
the emissions of vehicles already in circulation - so-called in-service
conformity testing. Additionally, taking account of the latest improvements in
measuring technology, RDE4 also further tightens emissions standards - known as
the conformity factor, which caters for technical and statistical variations in
RDE measurements, from 1.50 to 1.43.
The European Commission has said it would continue
reviewing the conformity factor with the aim of bringing it down to one as soon
as possible and at the latest by 2023. The next reduction is scheduled for
As with the introduction of ‘on-board fuel
consumption monitoring devices’, after a three-month scrutiny period in the
European Parliament and Council, the Commission will adopt the proposal, which
would then apply from 1 January, 2019.