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Wärtsilä hybrid propulsion system with methanol engine to power four SAL heavy lift vessels; wind farm installations

Green Car Congress

The hybrid system also includes Energy Storage, a PTO/PTI generator and motor, a multidrive converter, and the Wärtsilä Energy Management System for controlling and optimiszing the hybrid operations. The ships are scheduled for delivery in 2025 and will be used mainly to support wind farm installations.

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PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon

Green Car Congress

published in the ACS journal Chemical Reviews , reviews in detail four stationary storage systems considered the most promising candidates for electrochemical energy storage: vanadium redox flow; sodium-beta alumina membrane; lithium-ion; and lead-carbon batteries. Among the most important factors are capital cost and life-cycle cost.

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Proud of its roots

Electric Auto Association

Instead, his collection of electric vehicles (EVs) has included a converted Yamaha motorcycle, a converted 1971 AMC Hornet, and several electric scooters. David O’Neill on his ‘Silent Knight Electric Motrocycle,’ a converted Yamaha Big Bear. The technology emphasis has also influenced DEVC member gatherings. “We

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Ioxus Developing Higher Power Density Ultracapacitors

Green Car Congress

Typical ultracapacitors are characterized by high power density compared to batteries (but poor energy density), as well as quick charge and discharge. Another application could provide “instant heat” to heat up the catalytic converters in vehicles. Ioxus is also interested in working with battery companies on integrated solutions.

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