Thousands of drivers have been caught driving without their diesel particulate filter , new figures reveal. Since 2014, 1,800 drivers were caught by the Driver and Vehicle Standards Agency driving without the pollution-reducing filter. It is legal to remove a car’s DPF but it is against the law to drive without one if it should be installed. Some drivers who have their DPFs blocked may simply opt to remove them instead of paying for a new one, which can cost around PS1,000. Drivers of cars could face a PS1,000 fine for doing this, while van drivers without DPFs will be subject to a PS2,500 penalty. Diesel particulate filters trap microscopic pollutants from diesel engines that would otherwise escape into the atmosphere. However, they require periodic'regeneration' which involves burning off the captured particles. This can only happen at very high temperatures. Vehicles are often driven at a high speed to achieve this temperature. B...
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