New cars need to be fuel efficient, and one of the best ways to reduce fuel consumption is to reduce weight, allowing the engine to operate more efficently. Making use of lightweight aluminum for body panels is a good way to keep down on weight, which is why the new Wrangler will have quite a bit of it.

Alcoa is a supplier company that focuses on innovative and lightweight materials and advanced manufacturing techniques. One of its specialties is, unsurprisingly, aluminum. In what's claimed to be a leaked internal news release from an Alcoa employee to the JL Wrangler Forums, it's revealed the company has been contracted by Jeep to supply the automaker with three different types of high form alloys for body panel construction.

The memo goes on to specify the parts Jeep is creating with the Alcoa metal are the both the inner and outer portions of the hood, as well as the inner panels of the doors.

It's no surprise Jeep is using the lightweight to build the next Wrangler, especially since Fiat Chrysler CEO Sergio Marchionne mentioned the new car would be best with aluminum back in May.

The new Wrangler is setting up to be something really, really cool. Especially, the long-awaited pickup version.

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