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"A Neo-Panamax container ship serving a route of less than 3,000 km would actually require less space for batteries and motors than the volume currently occupied by combustion engines and fuel tanks."
“We show that at battery prices of $100 per kWh, the electrification of intraregional trade routes of less than 1,500 km is economical, with minimal impact to ship carrying capacity.”
“If batteries achieve a $50 kWh price point, the economical range nearly doubles,”
"But for several years, many ships have been partly electrified: 80 percent of oceangoing ships now use a diesel-electric transmission system. Diesel generators generate the electricity, which then drives the electric engine. This moves the ship’s propeller. This has many advantages: It saves between five and 20 percent of the fuel."
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