News tagged with transportation energy

US roads, airports unready for extreme weather

(AP)—America's lifelines—its roads, airports, railways and transit systems—are getting hammered by extreme weather beyond what their builders imagined, leaving states and cities searching for ways to ...

Nov 22, 2012
5 / 5 (3) 2

Graphene mini-lab

A team of physicists from Europe and South Africa showed that electrons moving randomly in graphene can mimic the dynamics of particles such as cosmic rays, despite travelling at a fraction of their speed, in a paper about ...

Oct 31, 2012
3.7 / 5 (3) 0

MASSIVE advances in aerodynamics

Engineers are closer to understanding, and therefore manipulating, invisible aerodynamic drag forces, that cause an estimated 50 per cent of transportation fuel to be lost before we can use it.

Aug 30, 2012
4.4 / 5 (18) 18 | with audio podcast

Biodiesel can cut greenhouse gas emissions

Researchers in Spain have discovered that greenhouse gas emissions can be reduced through the use of biodiesel. The group from Universidad Politécnica de Madrid (UPM) in Spain investigated the benefits ...

Jul 19, 2012
5 / 5 (1) 7

Channeling our ion past

To understand how the first cells transported ions across their membranes, researchers are studying simple channels used by fungi to kill off bacteria.

Jun 07, 2012
5 / 5 (1) 2 | with audio podcast

Is seaweed the future of biofuel?

As scientists continue the hunt for energy sources that are safer, cleaner alternatives to fossil fuel, an ever-increasing amount of valuable farmland is being used to produce bioethanol, a source of transportation fuel. ...

Mar 05, 2012
4 / 5 (2) 0

Taking biofuel from forest to highway

The world is moving from a hydrocarbon economy to a carbohydrate economy, according to University of British Columbia biofuel expert Jack Saddler. He is presenting his work at the 2012 Annual Meeting of the American Association ...

Feb 18, 2012
3.4 / 5 (5) 27 | with audio podcast