Skip to main content

Your next car will be made of pineapples and bananas

pineapple-banana-fruitScientists have developed a new fiber from fruits like pineapples and bananas that is almost as strong as Kevlar, the fiber used in bulletproof vests. The new fruity “nono-cellulose” fiber is so strong that researchers plan to use it to reinforce plastics like those used to make automobiles. The new fibers will help bring in an era of plastics that are stronger, lighter, and more environmentally friendly than those in use today, reports PhysOrg. Unfortunately, however, your new car probably won’t taste of citrus.

“The properties of these plastics are incredible,” said Alcides Leão, leader of the study, “They are light, but very strong — 30 per cent lighter and 3-to-4 times stronger. We believe that a lot of car parts, including dashboards, bumpers, side panels, will be made of nano-sized fruit fibers in the future. For one thing, they will help reduce the weight of cars and that will improve fuel economy.”

Recommended Videos

The fruity fiber plastics may have mechanical advantages over current automotive plastics as well. Nano-cellulose reinforced plastics may be more resistant to heat, gasoline, water, and oxygen damage. The product is ready to go too. Leão estimates that automotives with his new fiber would begin popping up as soon as two years from now. Beyond that, even metal parts may be replaced by fruit.

“So far, we’re focusing on replacing automotive plastics,” said Leão. “But in the future, we may be able to replace steel and aluminum automotive parts using these plant-based nanocellulose materials.”

Traditionally, cellulose fiber has been gathered from trees and used to make paper, among other things. More recently, scientists have found a way to extract tiny nano fibers from wood and other plants. These fibers are so small that 50,000 could fit across the width of a single human hair. Pineapple leaves and stems, in particular, are one of the most promising sources for nano-cellulose fibers. Bananas and coconut shells are also good sources of nano fibers. Leão speculates that these plastics could eventually replace artificial heart valves and other body parts as well.

The only downside: the second you put bananas in anything, they overpower everything else.

Jeffrey Van Camp
As DT's Deputy Editor, Jeff helps oversee editorial operations at Digital Trends. Previously, he ran the site's…
I tried an e-bike for the first time and now I’m hooked
It’s not about being a 'bike person', it’s about finding small upgrades to everyday life
A woman sitting on the Aventon Pace 4

Before this year, I’d never even touched an e-bike before, and the thought of riding one was never on my radar. With life already in constant motion thanks to two toddlers, biking wasn’t something I ever considered adding to the mix.

I’d always assumed e-bikes were for hardcore commuters or serious cyclists, not someone like me. I wasn’t looking for a big lifestyle change. I just wanted a quicker way to get to the park so we’d have more time to play before dinner.

Read more
This week in EV tech: Audi exemplifies auto industry’s EV holding pattern
Close-up of 2025 Audi SQ5 grille, headlight, and badge.

The road to the future runs through the present, and it’s not a straight line. This week, we’re focusing on how Audi is negotiating the twists and turns on the way to an electrified future. EVs are here to stay at Audi, but a gasoline crossover SUV is still the automaker’s bestselling model, and it’s not ready to risk those sales just yet. That’s why the 2025 Audi Q5 received a top-to-bottom overhaul for this model year, bringing its tech features and styling up to date without altering the what has proven to be a very popular package. By maintaining parallel lineups of electric and internal-combustion cars, Audi hopes to give customers more choices. But that doesn’t completely level the playing field. The new Q5 may have yesterday’s powertrain, but Audi isn’t holding back on tech. It features the same electrical architecture, operating system, and three-screen dashboard display as the latest Audi EVs, like the Q6 e-tron. So aside from a little engine noise, there’s little difference in what you can see and interact with from the driver’s seat. It’s not just the infotainment systems. The Q5 and Q6 e-tron are close in size, with similar space for passengers across their two rows of seats. The Q6 e-tron has a bit more cargo space, but not as much as you’d think given the lack of a bulky engine, transmission, and driveshafts. The two SUVs also have similar styling but, having now driven both, we can say that the Q5 is the more pleasant of the two.

More than a difference of powertrain tech

Read more
Take a peek inside the factory making tomorrow’s ride
A Zoox robotaxi.

Amazon-owned Zoox has opened its first facility producing fully autonomous robotaxis. 

A video (above) released by the California-based company offers a peek inside the factory, which, when it reaches full capacity, could roll out as many as 10,000 autonomous vehicles per year.

Read more