The technology in the Audi urban concept reflects the full capabilities of the brand, especially when it comes to ultra-lightweight construction.

ENGADGET: Audi's Urban Concept heads to IAA Frankfurt, tickles our EV sensibilities

All controls and materials are subject to the dictates of ultra-lightweight construction in order to ensure they convey a completely unique, sensory allure.

ENGADGET: Audi's Urban Concept heads to IAA Frankfurt, tickles our EV sensibilities

Land Rover's global brand director, John Edwards, is hopeful the Evoque's lightweight construction and relatively low fuel consumption and emissions make it well suited to the job.

BBC: Business

The 787 is highly touted because of its mostly lightweight carbon fiber construction, which airlines expect will help them save billions in fuel costs on long-haul routes.

CNN: STORY HIGHLIGHTS

Part of the Dreamliner's appeal to airlines is its increased fuel efficiency due to its construction of lightweight composite materials instead of metal.

CNN: STORY HIGHLIGHTS

More impressively, thanks to its advanced lithium-ion batteries and lightweight carbon-composite construction, the Tesla Roadster has a range of 200-250 miles from an overnight charge.

ECONOMIST: Revving up

The camera uses magnesium alloy top and rear construction to provide a lightweight camera with maximum durability.

ENGADGET: Nikon unveils lightweight, full-frame D600 DSLR -- hands-on and low-light samples (video)

As the first major airliner to use lightweight composite materials for most of its construction, the 787 Dreamliner also promised 20% better fuel economy and 30% lower maintenance costs.

ECONOMIST: Business travel

When Wessely started the business with one stitch-bonding machine in the shell of an old toweling factory in 1999, he found pretty good demand for "multiaxial reinforcements"--they're strong, stiff lightweight cloths used in boat hulls and construction materials.

FORBES: New Britannia