The other new technology on the rise is recycled and composite materials for the car chassis - like BMW’s i3 - whose passenger compartment is completely made of carbon fiber-reinforced plastics, making it much lighter.

另一项正在兴起的新技术是用于汽车底盘的回收和复合材料——如宝马的 i3——其乘客舱完全由碳纤维增强塑料制成，使其更轻。