“The explosion almost killed both of them. This butane hash oil is nothing to play with.” Marijuana smokers have been making hash oil using solvents such as butane or ethyl alcohol since the 1960s.

SEATTLE (AP) – Jim Andersen has a 40-year history with hashish, the concentrated cannabis sometimes referred to as the cognac of the marijuana world. When he served in the Air Force in Southeast Asia, ...

Michigan residents and vendors gather on the Diag for the annual Hash Bash festival Saturday. Lucas Chen/Daily. Buy this photo. The 51st annual Hash Bash took place Saturday on the Diag at the ...

Washington state’s new legal pot law is prompting a conversation about the place of hash and other potent, concentrated marijuana products in the industry. The law doesn’t allow the sale of pure hash ...