RAC Report Aims To Dispel EV Pollution Myths
The RAC has produced an ‘expert’ report that, it hopes, will dispel myths concerning the environmental impact of electric cars…
RAC Hopes to Dispel EV Pollution Myths
Electric cars are widely acknowledged as being better for the environment than their petrol or diesel equivalents. However, there are still naysayers; and lingering myths concerning their impact. This is something the RAC hopes to address with its latest, commissioned report into the matter. In particular, the report looked into allegations concerning no-exhaust emissions, especially those said to come from brake systems and tyres.
Generally speaking, EVs are heavier than ICE vehicles. This is due to their additional weight, caused by the battery systems they carry. It’s been speculated that this additional weight produces significant amounts of toxic fine particulate matter (also known as PM 2.5s).
George Eustice, the Environment Secretary, recently acknowledged these concerns during a select committee session on the subject. He said, “there is skepticism. Some say that just wear and tear on the roads and the fact that these vehicles are heavier means that the gains may be less than some people hope, but it is slightly unknown at the moment”. The RAC’s report, however, suggests these concerns are largely unfounded.
Looking at the Data
Dr McTurk, who helped produce the RAC’s report, believes brakes in EVs actually last longer than those in petrol or diesel models; something he attributes to regenerative braking.
Commenting on the components, he said “Dundee Taxi Rentals says that brake pads on its 11 Nissan Leaf taxis have a lifespan of 80-100,000 miles – four times that of their diesel taxis. Discs tend to be changed due to warping rather than wear unlike on a conventionally fuelled vehicle, and last twice as long as those on diesel taxis”.
He added, “in addition, Cleevely EV, one of the best-known EV mechanics in the UK based in Cheltenham, regularly sees EVs with brakes that have lasted over 100,000 miles. The company says if they ever need to replace an EV’s brakes, it’s not because of wear but because they’ve seized up due to lack of use”.
McTurk has also argued that tyre lifespans are generally healthy in most EVs; and that they’re getting better due to new, special tyres being rolled out by manufacturers.
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