News tagged with catalytic converters

Ethanol-powered vehicles generate more ozone than gas-powered ones

Space & Earth / Environment

16 hours ago | 4.2 / 5 (5) | 4

Ethanol, often promoted as a clean-burning, renewable fuel that could help wean the nation from oil, would likely worsen health problems caused by ozone, compared with gasoline, especially in winter, according to a new study ...

German researchers demonstrate diesel truck engine with barely measurable emissions

Technology / Engineering

Dec 07, 2009 | 3.8 / 5 (6) | 1

Just three months after the Euro 5 Norm for exhaust emissions went into force for all new car models, researchers at the Technische Universitaet Muenchen (TUM, Germany) have demonstrated an engine that is ...

A light touch: Iron complexes as efficient catalysts for the light-driven extraction of hydrogen from water

Chemistry / Materials Science

Dec 02, 2009 | 5 / 5 (4) | 3

(PhysOrg.com) -- Hydrogen is a promising alternative energy carrier that can be efficiently converted into electrical energy in fuel cells. One hurdle to the introduction of sustainable hydrogen technology is the fact that ...

First metallic nanoparticles resistant to extreme heat

Nanotechnology / Nanomaterials

Nov 30, 2009 | 4.8 / 5 (5) | 0

A University of Pittsburgh team overcame a major hurdle plaguing the development of nanomaterials such as those that could lead to more efficient catalysts used to produce hydrogen and render car exhaust less toxic. The researchers ...

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