As with any lightweight car, safety is a major issue.

对于任何一辆轻型汽车而言，安全始终是一个大问题。

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To keep weight down, the car is made out of three different types of lightweight carbon fiber.

为了减重，使用了三种轻量化碳纤维材料。

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The car is also made of strong yet lightweight carbon-fiber-reinforced polymer, which makes it about 220 pounds lighter than an equivalent aluminum design.

由于车体使用坚固且轻质的碳纤维加固合金材料，因此该车比同类的铝材料设计约轻220磅。

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It's a stackable, lightweight (1, 000 pounds) electric car that can be checked out from a curbside rack, like a luggage cart at the airport, then returned later to any rack around the city.

FORBES: Car Sharing

At the new technical center near Shanghai, GM and its Chinese partners are jointly developing new cars based on GM components, including such high-tech elements as electric-car batteries, dual-clutch transmissions and lightweight materials.

WSJ: Edward Niedermeyer: Welcome to General Tso's Motors

With its rich exploration of the language and mythology of car design, the Royal College show is hardly lightweight.

ECONOMIST: Car design