There are no clear details on how Vehicles can be refueled or what happens when it runs out of fuel.

但现在还没有明确消息显示如何为攻城车添加燃料，也不知道没燃料会发生什么。

youdao

How many vehicles were involved in the crash?

这次撞车事故涉及多少辆汽车？

《牛津词典》

Policymakers also should be talking about how self-driving vehicles can help reduce traffic jams, cut emissions and offer more convenient mobility options.

政策制定者还应该讨论自动驾驶汽车如何帮助减少交通堵塞、减少排放，并提供更方便的出行选择。

youdao

He says security forces should become stricter in how they check individuals and search vehicles for explosives.

VOA: standard.2009.12.09

Here,Marines learn how to search vehicles and people for possible explosives.

VOA: standard.2010.04.06

Her experience is in planning how vehicles are built, not how they're developed.

FORBES: Magazine Article

Connected vehicles are also the subject of another recent series of Cisco white papers, which look at how vehicles could connect not only to each other, but to infrastructure, the grid, and city buildings.

FORBES: Can IT Make Cities Better?

Accordingly, companies are reportedly pushing back against NASA rules establishing how their vehicles must be designed rather than how they must perform.

FORBES: Move up http://i.forbesimg.com t Move down