It has been estimated that over 700 million gallons of oil reach the oceans each year. The majority of it comes from not disposing of used motor oil properly. Some portion of it also comes from boats and ships. Additionally, there is air pollution from engine exhaust. Diesel and gas engines in boats can also create high levels of noise pollution. Marine mammals such as whales, orcas, and dolphins tend to be very sensitive to loud sounds. In fact, a decline in orcas might be related to marine pollution from human vessels.
Enter the electric boat. This type of watercraft does not produce toxic air pollution and is quieter than conventional boats. (Have you ever heard a cigarette boat with two gas-powered engines?)
New Electric does such conversions and they offer a kit to help people do their own. Soon they also want to make and send their own boats.
This video shows part of their process removing a Volvo engine to replace it with an electric one:
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