Electric vehicle drivers, the wise and uber-eco-conscious members of society, can claim to not have any tailpipe emissions. However, their emissions still exist in the form of a smoke stack from the local power plant. To have a pure green vehicle, the source of power must be sustainable and renewable. Nissan, creator of the all-electric Leaf, has developed a solar charging system that stores its power in the Leaf’s lithium-ion battery. The automaker has installed 488 solar panels at its Japan headquarters, enough to power 1,800 Leafs a year.

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Japanese Automakers Aim to Bolster Energy Security at Home

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