None — A growing number of bars in Charlotte have "do-it-yourself" devices to test blood alcohol levels. Some law enforcement officers worry the machines send mixed signals to potential drunken ...

When Ryan Walden was a junior in college, one of his friends was arrested for drunken driving. He said his friend hadn’t had a drink in four hours and thought he was OK to get behind the wheel. The ...

LOXLEY, Ala. (WALA) - A man is charged after he allegedly threw a breathalyzer machine and printer at officers as he was being booked into jail, according to authorities. Investigators said they ...

WILMINGTON, Del. (AP) - Two bars in New Castle County recently installed breathalyzer vending machines to help patrons make smart decisions about whether it's safe to drive home. Tailgates Sports Bar ...

SALEM, Mass. — An unknown number of drunken driving convictions across Massachusetts could be in jeopardy following the discovery of a problem with the calibration of Breathalyzer machines. Essex ...

Breathalyzers are a frequently used tool to measure the amount of ethanol in someone’s breath, which relates to their blood alcohol content. However, alcoholic beverages contaminated by methanol ...