Make a river ferry that's powered by the flow of the current, rather than by a motor that runs on fossil fuels.
A pulley system attaches the front right and rear right corners of the boat to the overhead cable, while a hand winch allows the "skipper" to adjust the position of the ferry.
ILLUSTRATION: MOTHER EARTH NEWS STAFFSeveral years ago, I made the acquaintance of a unique river ferry that transports motorists between Bizard Island and Laval-on-the-Lake, two resort communities located in the Canadian province of Québec near Montreal. What made this little ferry special was that its owners relied solely on the natural force of the river's current to propel their "water shuttle" back and forth.
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