If you can't afford to replace your lawn mower when it breaks down, you could consider a whole new engine. Here's how much ...
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Scientists develop pneumatic propellers that could replace diesel engines in ferry boats
Scientists say they have created a methodology that could replace two diesel engines powering a ferry boat with pneumatic propellers. The two air motors replacing the diesel engines, according to the ...
WASHINGTON (Reuters) - Exhaust-spewing lawn mowers and speed boats will get a green make-over under tough new rules from the U.S. Environmental Protection Agency designed to reduce smog and save ...
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