DENVER — Colorado lawmakers advanced a measure that would make it a felony to use explosive gases to make hash oil at home. The proposal is a response to explosions and injuries resulting from amateur ...

DENVER (AP) - A ban on common procedures for making homemade hash oil is headed to the governor's desk in Colorado. The bill would make it a felony for amateurs to make hash or marijuana concentrate ...

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 ...

Several new laws went into effect on Wednesday, including one that makes manufacturing marijuana concentrate without a license a felony. That new law, sponsored in part by Rep. Yeulin Willett, R-Grand ...

DENVER (CBS4/AP) - Denver's city council postponed a vote Tuesday that could ban amateurs from using chemicals to extract hash oil. The process typically uses highly flammable gasses like butane to ...

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, ...

Hash oil is seen outside a suburban San Diego home that was the site of a hash oil extraction laboratory explosion. Credit: REUTERS/Lucy Nicholson What does butane have to do with recreational ...