The big question now is: will hybrids or pure battery-electric cars be the future?
现在最大的问题是：混合动力车或者纯电动车是否有前途？
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The revised mandate allows manufacturers to comply with the rules by building more battery-electric cars instead of fuel-cell vehicles.
修订后的命令允许制造商通过制造电池电力车而不是燃料电池汽车来达到规定要求。
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Their first descent into the abyss started with an 800 metre ride through tunnels and caverns on the old Miners Tramway, a train hauled by a battery-electric locomotive.