So what's changed?Why do many auto makers now see light at the end of the electric car tunnel?

到底发生了什么改变使得这些汽车商看到电动汽车隧道尽头的光芒？

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The car goes into the tunnel.

汽车开进隧道。

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And this is the tail a car disconnected from the car and moved by the flow of water along the tunnel.

这是一节车厢与其他车厢分离的尾部部分，这部分是被沿着隧道的水流作用而形成的。

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Eurotunnel said it was managing to clear the backlog of cars and lorries waiting to use its Channel Tunnel car service.

BBC: Traffic jam

Wirth has decided to design the new Virgin car without using a wind-tunnel, a tool for shaping a car's aerodynamics that has been de rigueur in F1 for 30 years.

BBC: Lucas di Grassi joins new-look Virgin Formula 1 team

Rosemary Snell and Michael Rolfe, from Somerset, died when their car was buried at Beaminster Tunnel in July.

BBC: Dorset landslip deaths: Beaminster Tunnel hood supported