Do-it-yourself breath test machines in car parks will tell drivers if they're over the limit - Daily Mail 29th September 2007

Do-it-yourself breath test machines have been installed at car parks so drivers can check if they are over the drink limit before they get behind the wheel. Drivers blow into a plastic pipe until prompted to stop and seconds later a reading flashes on a screen, telling them whether they can legally drive. The Alcolizer machines use the same technology as police breathalysers.

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