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Politics : Politics of Energy

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To: Maurice Winn who wrote (67756)	1/6/2016 8:14:31 AM
From: Eric	Read Replies (1) of 86350

Car structure will be lighter too with 800 kg less to hump around. Wow, you sure don't know the facts about the Tesla Model S... This will help you out: The 85 kWh battery pack weighs 1,200 lb (540 kg) [67] and contains 7,104 lithium-ion battery cells in 16 modules [68] wired in series (14 in the flat section and two stacked on the front). [69] Each module contains six groups [70] of 74 cells [71] wired in parallel; the six groups are then wired in series within the module. [71] [72] [73] [74] As of June 2012 the battery pack used modified Panasonic cells with nickel-cobalt-aluminum cathodes. [4] Each cell was of the 18650 form factor (i.e. an 18 mm diameter, 65 mm height cylinder), similar to the Panasonic NCR18650B cell that has an energy density of 265Wh/kg. [75] Analysts estimate battery cost to be around 21-22% of the car cost. [76 ] en.wikipedia.org About four times more energy efficient than the comparable weight BMW going down the road, not to mention much quicker off the line. Don't stay with your rice bucket too long. It's not nice to pollute your neighbors! In February 2014, the Automotive Science Group (ASG) published the result of a study conducted to assess the life-cycle of over 1,300 automobiles across nine categories sold in North America. The study ranked the Model S as the best environmental performer in the 2014 full-size cars category. [137] Based on the assessment of life-cycle environmental footprint, the study concluded that the increased environmental impacts of manufacturing the vehicle are more than offset with increased environmental performance during operation. For the assessment, the study used the average electricity mix of the U.S. grid in 2014.

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