No, the dust collected by car vacuums does not simply disappear after you empty it out. When you use a car vacuum to clean your vehicle, the vacuum sucks up dust, dirt, and debris from various surfaces, like the carpets and seats. However, this dust doesn't vanish into thin air; it remains as physical matter.
When you empty the car vacuum's dustbin or bag, you are essentially removing the collected dust and debris from the vacuum's storage container. You'll need to dispose of this waste properly, typically by putting it in a trash bin or recycling container, depending on the nature of the debris.
In some cases, if you're vacuuming up larger particles or materials that could be hazardous, such as broken glass or sharp objects, it's crucial to handle the waste with care and dispose of it responsibly to avoid any potential harm to yourself or others. Always follow the manufacturer's guidelines for maintenance and disposal of the vacuum's contents.