The Alco-Sensor IV, a DUI breath testing device, has been in use by The San Francisco Police Department since 2001. But Public Defender Jeff Adachi and District Attorney George Gascon say the ...

In the strictest ever action against pilots reporting drunk for work, a private airline commander’s flying licence was cancelled on Wednesday for five years. All 12 failed the new alco sensor-IV ...

A drunk crew member could pass breathalyzer test simply by holding his or her breath and not exhaling in the “alco sensor-III” machine being used till now.

The Alco-Sensor IV is a handheld breath alcohol tester which, using fuel cells, provides a simple, accurate and economical method of determining the alcohol concentration in a person’s breath. Both ...