Concept

Whatever happened to the battery-free nanoFlowcell Quant?

No less than the answer to the world's energy demands! But... where is it now?

Published: 22 Oct 2025

What is it?

The answer to the world’s energy demands! Founder Nunzio La Vecchia claimed he’d found a way to make battery-free electric propulsion possible, by combining positively and negatively charged ‘bi-ion’ saltwater to generate power – meaning refuelling in three minutes.

Did they actually build any?

The gullwing doored ‘Quant’ limo graced the Geneva Motor Show for a few years from 2014, while a running ‘Quantino’ supermini prototype allegedly completed a 1,100km endurance test in 14 hours. We actually test drove it. But La Vecchia has never allowed his tech to be peer reviewed, over fears of patent theft.

Advertisement - Page continues below

Where are they now?

Still occasionally plopping out press releases saying that full scale production is just around the corner. But the EV revolution has been given a 10 year head start on R&D and infrastructure. And the pesky laws of physics and thermodynamics still exist.

Advertisement - Page continues below

Top Gear
Newsletter

Get all the latest news, reviews and exclusives, direct to your inbox.

More from Top Gear

Loading
See more on Concept

Subscribe to the Top Gear Newsletter

Get all the latest news, reviews and exclusives, direct to your inbox.

By clicking subscribe, you agree to receive news, promotions and offers by email from Top Gear and BBC Studios. Your information will be used in accordance with our privacy policy.

BBC TopGear
magazine

Subscribe to BBC Top Gear Magazine

find out more