Dear Gene: You’re allowed to make concentrates that don’t require butane, like bubble hash, kief, QWISO hash from rubbing alcohol, and other concentrates extracted with water. As I’m sure you know, ...

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. What does butane have to do with recreational marijuana? And why does the ...

DENVER – Alarmed by a rash of explosions and injuries caused when amateurs make hash, lawmakers in Colorado and Washington are considering spelling out what’s allowed when it comes to making the ...

Opponents of marijuana legalization are concerned if Ballot Measure 2 passes, Alaskans would see an increase in butane hash oil, and with that, an increase in explosions in its production, although ...