While relatively modern, the fact that there were four of them meant that the A380 was inherently less efficient than a twinjet like the Boeing 777, a large airliner that only needed two engines.

Yamaha’s new V4 engine, which it hoped will replace the iconic inline-four, has been further tested in recent weeks.

Koenigsegg's Quark e-motor is a marvel of engineering, boasting unmatched power-to-weight. Discover why this groundbreaking, ultra-compact motor is arguably the best, yet destined to remain a niche ...