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.

Rivian is preparing a mid-life refresh for its R1 models, which are expected to start deliveries this summer. One of the key highlights of the update is a new driver assistance package. Several R1T ...

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 ...

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 ...

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 ...

Joby Aviation is moving into a critical phase of FAA type certification by commencing flight testing with its production prototype eVTOL aircraft, a progression from previous preproduction models.

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 ...

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 ...

Regent Craft has received U.S. Coast Guard (USCG) approval to begin testing its electric seaglider prototype. The Viceroy seaglider combines aircraft speed (180 mph) with boat functionality, flying 20 ...

Tesla is nearing the production of the refreshed Model 3, known internally as "Project Highland." Prototypes of the new models have been buzzing around for some time, but none was as intriguing as ...