Compact, lightweight valveless axial engine

New Zealand's Duke Engines has been busy developing and demonstrating a bizarre axial engine that completely does away with valves, while delivering excellent power and torque from an engine much smaller, lighter and simpler than the existing technology.

Midual Type 1: antara motosikal termahal di dunia

New French company Midual joined the limited-edition hyper-priced motorcycle marketplace this month, with an ingenious redesign of the century-old boxer-twin motor, an aerospace-quality cast monocoque frame, a rethink on the cooling system, bespoke personalization, a we-come-to-you service model, a rare standard of detail and craftsmanship, and a EUR140,000 (US$185,400) price tag