The authors of the new study concluded that the battery packs used by market-leading EV manufacturers cost as little as $300 per kilowatt-hour of energy in 2014. That’s lower than the most optimistic published projections for 2015, and even below the average published projection for 2020. The authors found that batteries appear on track to reach $230 per kilowatt-hour by 2018. Depending on the price of gas, the sticker price of an EV is expected to appeal to many more people if its battery costs between $125 and $300 per kilowatt-hour.
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