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RAC report debunks electric car particulate pollution myth


Advocacy organization RAC has commissioned an expert report from leading battery chemist Dr Euan McTurk to address what it calls ‘the negative myths surrounding Electric Car‘, especially those around non-exhaust emissions from the brakes and tire put on.

The report addresses the amount of toxic fine particulate matter (also known as PM 2.5) generated from the tires and brakes of electric cars, which is often said to be much worse than comparable internal combustion engine cars. . That’s because it’s generally believed that the extra weight of an EV battery will increase the wear of these two items during normal driving.

Government Environment Secretary George Eustice recently spoke to MPs during a select committee session on the subject. The Cabinet minister said: “There is skepticism. “Some say the wear and tear of the roads and the fact that these cars are heavier means that the returns may be less than some hope, but it’s a bit unclear at the moment.”

However, the RAC says Dr McTurk’s findings based on real-world use show that electric vehicle brakes actually wear out much slower than conventional vehicle brakes, as electric vehicles rely heavily on regenerative braking. where the engine is working in reverse to charge the battery, the vehicle is slowing down without braking.
Dr McTurk said: “Dundee Taxi Rentals says the brake pads are over 11 Nissan Leaf taxis have a lifespan of 80-100,000 miles – four times that of their diesel taxis. Discs tend to be displaced by warping rather than wear unlike on a conventional fuel-powered vehicle and last twice as long as those above. diesel oil taxi.

“Also, Cleevely EV, one of the most prominent EV mechanics in the UK based in Cheltenham, regularly sees EVs with brakes that have lasted over 100,000 miles. The company says if it needs to replace an EV’s brakes, it’s not because of wear, but because they’ve been recalled due to disuse. “

Tire wear can also be less of an issue, as the RAC says electric vehicles don’t penetrate tires as quickly as some claim due to their weight. “Dundee Taxi Rentals reports that the front tire life on their all-electric front-wheel drive Nissan Leafs is about 5,000 to 10,000 miles less than their diesel taxis, but more positively, the rear tires last longer. the same amount of time, usually. Dr. McTurk said in 30-36,000 miles before needing replacement.

“In addition, many tire manufacturers are developing special tires for electric vehicles, which offer greater efficiency and less wear without compromising on traction. This includes big-name tire brands and new companies, like Enso, that have been established specifically to tackle pollution from tires. ”

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