The mayor of Boston is cutting down on city litter with new solar-powered trash compactors on the streets. They collect the maximum trash with minimum effort. Another "good government" idea that proves thinking green means more green in your pocketbook. The mayor has placed 50 of the trash bins around town.
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 The solar-powered trash compactors need emptying only once or twice a day, not the 15 or more sanitation worker visits required for traditional cans. They don’t spill. They smell less. And, they hold some 150 gallons of trash, 5 times more than standard receptacles. (Boston.com)