Opinions expressed by Entrepreneur contributors are their own. Amazon Fire Phone, Google Glass, New Coke and Nintendo’s Virtual Boy: What do all these products have in common? They didn’t sell.

Hermeus has completed testing of its first fully-integrated vehicle, Quarterhorse Mk 0. This non-flying prototype acted as a ‘dynamic iron bird’ for the company by validating all major aircraft ...

World Cup Cross-Country racing has kicked off back in continental Europe, and with it comes a new batch of lightweight mountain bike prototypes engineered to go fast, and what better way to make your ...

For most of its 777X testing, Boeing has operated four prototypes. These aircraft are WH001 (N779XW), WH002 (N779XX), WH003 (N77XY) and WH004 (N779XZ). However, in August 2025, a fifth test aircraft ...

Volta Trucks will test all electro-mechanical and thermal properties of its prototype Volta Zero. Volta Trucks has started engineering evaluation and development testing of the first prototype Volta ...

Mercedes-Benz is testing prototypes of its next-generation electric vans ahead of their scheduled debut in 2026. Unlike the current eSprinter and other smaller electric models sold in Europe that are ...

This third prototype of South Korea's KAI KF-21 jet fighter conducted its first test flight on 5 January 2023. The prototype will explore a wider range of the aircraft's flight capabilities. (DAPA/KAI ...

While anticipation is building for the official debut of the 2025 Corvette ZR1 next month, GM has one more card to play in the mighty mid-engine C8 lineup. Set to sit at the top of the range will be ...

Textron has submitted its Cottonmouth prototype as its offering to the Marine Corps' Advanced Reconnaissance Vehicle competition. (Photo courtesy of Textron) The Marine Corps has kicked off its ...

Bugatti unveiled the Tourbillon in the summer of 2024, but deliveries aren’t scheduled to begin until 2026. While that’s right around the corner, the company has been busy testing prototypes to ensure ...

A mysterious new DJI drone prototype has been spotted in testing, focusing on propulsion efficiency and palm safety ahead of ...