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by toomuchtodo
4037 days ago
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You're comparing a barrel of oil directly to electricity, a fallacy. Electric vehicles are extremely efficient photon to road compared to combustion vehicles. "Tank-to-wheel efficiency of conventional Otto cycle car is only 16% as illustrated fellow. Here, Otto cycle engine loss is 72%, standby /idle loss is 10% and drive line loss is 2%. Accessories loss, such as air conditioning unit consumes 2% but for comparison purposes, it was assumed 0%." That's right. You're losing almost 90% of your available energy to heat. In all practicalities, you use less than 1% of energy available in a barrel of oil to move a car forward. http://www.asahi-net.or.jp/~pu4i-aok/cooldata2/hybridcar/hyb... "That’s right, an electric car is over four times as efficient at turning energy into motion." https://matter2energy.wordpress.com/2013/02/22/wells-to-whee... Please see /u/Brackenshire's post (https://news.ycombinator.com/item?id=9676675) regarding land required. |
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