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Batteries are streets ahead

Batteries, not fuel cells, biofuels, or natural gas, are winning the race to power the next generation of cars

The market seems to have decided. In the race to power zero-emission vehicles, high-capacity batteries firing electric motors will dominate over all others including hydrogen fuel cells. Between now and 2020, auto-makers will produce about 120 new EV models. If the technology isn't going to prevail, it's one colossal consensus fail. The plunging cost of manufacturing batteries is the main reason EVs are streaking ahead, says Warwick Business School's Frederik Dahlmann, assistant professor of global energy. Battery efficiency is improving by about 20% a year. Governments are helping out, especially in Europe, where the infrastructure is rolling out to support the transition. Crucially, tech

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