WASHINGTON (AP) — One of the key technologies that could help wean the globe off fossil fuel is probably at your fingertips or in your pocket right now: the battery.
Engineering, energy and policy experts say if batteries can get better, cheaper and store more power safely, then electric cars and solar- or wind- powered homes become more viable. These types of technological solutions will be one of the more hopeful aspects of United Nations climate talks that begin next week in Paris.
Battery technology has amped up this year.
In October, an international team of scientists announced they overcame major obstacles in efforts that could make batteries five to 10 times better at storing energy. In April, Elon Musk announced plans for his Tesla Motors to sell high-tech batteries for homes.
EDITOR’S NOTE: This story is part of an occasional series focusing on the science, the costs and the challenges of climate change around the world ahead of a critical summit in Paris.

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