Agreed we need these guys to produce a viable product soon! The government is pushing through legislation with or without them so the swab is the only thing available at the moment. I believe we have something here I guess time will tell but sooner would be better than later
According to these reports, It appears the current method for testing roadside drug impairment has hit a roadblock.
In addition to the broad detection window, reliability issues with roadside saliva testing is well known. They include false positives after eating certain foods & difficulty of use in extreme cold conditions.
"A key objective of the trial was to see if the devices would work in the deep cold of a Canadian winter. The results showed that while the devices worked, they were more likely to produce drug-positive result in cold conditions."
"Consequently, further research on the reliability of devices used outside of standard operating temperatures is merited," the report says...