Green Car Congress
DECEMBER 29, 2022
The technology group Wärtsilä will supply its hybrid propulsion system for four new heavy lift vessels being built at the Wuhu Shipyard in China. Wärtsilä’s hybrid system will feature a variable-speed Wärtsilä 32 main engine capable of operating with methanol fuel. There is an option for an additional two vessels.
Green Car Congress
JUNE 25, 2012
year involvement with NS, which also includes the parallel development of a hybrid system for line-haul locomotives, noted Axion Power Chairman & CEO Thomas Granville. The contract is also a milestone in NS’ quest for a battery/hybrid locomotive, which reaches back a number of years to the Green Goat effort. Micro-hybrids.
Green Car Congress
SEPTEMBER 2, 2009
both electrodes are carbon, as opposed to the hybrid (asymmetric) ultracapacitors in which in one of the electrodes is carbon and the other electrode utilizes a different material. Energy densities of hybrid ultracapacitors can be significantly greater than that of carbon-carbon ultracapacitors, but power densities are lower.
Green Car Congress
MARCH 15, 2011
electricity) to hybrid and electrical vehicles, although the cost of implementing EES is of great concern. This type of application requires high round-trip energy efficiency and a long deep-cycle life, along with low operation and maintenance costs. Among the most important factors are capital cost and life-cycle cost.
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