BMW has finally come out with an all-electric car, which made its world debut on Monday. And in true BMW fashion, they’ve outdone just about every other electric car in what matters most: Weight. The BMW i3 is a mere 2,700 pounds – 800 pounds less than the Nissan Leaf and the Chevy Volt.

Weight is essential because the i3 depends entirely on a 22 kWh lithium-ion battery for fuel, which also contributes about 20% of the car’s total mass. The only solution was using a variety of low-weight materials to maximize fuel efficiency and driving range (130-160 km per charge) – hemp being one of them.

Like many BMWs before it, the i3 features door panels made of hemp. Mixed together with plastic, hemp helps lower the weight of each panel by approximately 10%.

But that’s not all. The hemp fibers – which are left exposed – also offer a design element, reports Bloomberg. According to Benoit Jacob, the i3′s designer, the use of natural materials like hemp and kenaf (a plant in the hibiscus family) makes the i3′s interior feel like “a small loft on wheels.”

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