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Transportation

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Bicycles reacting to speed for stable cycling

A Dutch consortium has developed an electrical bicycle that prevents elderly people from falling. The smart Assistive Bicycle, called SOFIE, increases stability by, amongst others, a drive off assistance and by automatically lowering the saddle at low spe.

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Effectiveness of booster seats investigated

Booster seats, car seats and seat belts are equally effective at saving the lives of children, while booster seats top the others at reducing minor injuries specifically among children ages 8-12, according to new research..

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Making fuel cells for a fraction of the cost

Researchers now describe the development of an inexpensive, efficient catalyst material for a type of fuel cell called a polymer electrolyte membrane fuel cell, which turns the chemical energy of hydrogen into electricity and is among the most promising f.

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Integration of plug-in electric vehicles

An influx of plug-in electric vehicles (PEVs) charging without coordination could prove challenging to the nation's electric grid, according to new research..

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Powerful LED-based train headlight optimized for energy savings

Researchers have designed a new LED-based train headlight that uses a tenth of the energy required for headlights using conventional light sources. If operated 8 hours every day, the electricity savings of the new design would reduce emissions of the gree.

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Perspective on fuel cells

Researchers are aiming to tackle a fundamental debate in key reactions behind fuel cells and hydrogen production, which, if solved, could significantly bolster clean energy technologies..

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Maximizing the environmental benefits of autonomous vehicles

The added weight, electricity demand and aerodynamic drag of the sensors and computers used in autonomous vehicles are significant contributors to their lifetime energy use and greenhouse gas emissions, according to a new study..

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Untapped gold mine is lost from end-of-life vehicles

Vast quantities of scarce metals are being lost from Europe's urban mine of vehicles, including 20 tonnes of gold each year – and the proportion of critical metals in vehicles is continuing to increase. A database is now being published that ch.