Related topics: fuel ยท fuel economy

Which has a more efficient 'engine': A tuna or a whale?

A large gray whale and a much smaller skipjack tuna each propels itself through water. Which is the more efficient swimmer? It has been difficult to compare propulsion efficiencies of animals of different sizes, like comparing ...

Suburban 'pocket airports' proposed

(PhysOrg.com) -- A proposal has been put forward by the CAFE foundation that a network of small suburban airports should be developed in the future for the use of Suburban Air Vehicles.

IBM wants traffic lights to stop your car

(PhysOrg.com) -- IBM has filed a patent application for a traffic light system that can remotely stop and start the engines of vehicles, with the aim of increasing fuel consumption efficiency at busy intersections.

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