Can you be sure that your blood alcohol level is low enough to drive by using your own breathalyser?
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“A breathalyser can tell you your blood alcohol level, but many of the most common devices on the market give an incorrect result. This has been shown in laboratory tests of eight common consumer models.” (Testfakta)
Nearly half the breathalysers tested by MHF failed.
There is also a driving licence book online (2023).
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