… 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 ...

NPR's Arun Rath speaks with Mike Sager, who wrote for California Sunday Magazine about the makers of a marijuana concentrate called "hash oil." While using hash oil is legal in some states, making it ...

Christopher Ellett had been making butane hash oil for over a year, his mother told investigators, before his alleged illegal hobby exploded in his face last week, court records show. Ellett, 32, was ...

A father and son have been arrested in connection with an alleged hash oil manufacturing and marijuana grow operation after a search warrant was executed at their house. Investigators found more than ...