LOS ANGELES — As a growing number of states legalize cannabis, health officials are increasingly sounding the alarm for technology that can quickly determine when drivers are stoned. Although many ...

Some marijuana users continue to complain that Washington's new pot law creating a 5-nanograms-per-milliliter limit for active THC is too low of a DUI standard and that having a standard at all will ...

How can the police gauge stoned driving? MEASURING cannabis intoxication is tough and there is no generally accepted method. In Oregon, we do not use blood tests or the mythical cannabis breathalyzer.

[COLUMNIST’S NOTE: As a cannabis columnist, I receive endless press releases, e-mails, and marketing materials relating to new cannabis and hemp products, projects, events, conferences, and expos. I ...

If you haven’t heard all the ruckus about the legalization of marijuana in Colorado last week, you’ve either been stuck under a rock, working too much, or coming down from the worst New Years hangover ...

A sedan drifts past. The driver’s window rolls down, unleashing a billowing plume of white smoke into the chill air as they light up, driving with one hand on the wheel. It’s not tobacco, said Bob ...