Police have issued a warning after officers found more than 50 laughing gas canisters in under an hour. Fifty-five canisters containing nitrous oxide were found on the Raffles estate in Carlisle, ...

Mar. 8—Gas canisters used to fuel camp stoves can be a big challenge to get rid of in Maine once they're empty. They can't just be thrown out. They aren't recyclable. There's no collection programs ...