Canada orders automakers to halve emissions

Canada's environment minister unveiled Tuesday new regulations to improve fuel efficiency and halve the greenhouse gas emissions of passenger vehicles and light trucks.

Streetlight policies could cast a shadow over wildlife

(Phys.org)—Scientists have conducted the first study into the ecological effects of a variety of energy-saving options to reduce overnight street lighting. Among the findings, researchers discovered that introducing "whiter" ...

X-ray 'prism' explores chemical changes at the molecular scale

(Phys.org)—Research at SLAC National Accelerator Laboratory demonstrates that ultrashort, ultrabright X-ray laser pulses can reveal details of chemically important molecules at room temperature and in their natural state. ...

Fuel economy at all-time high, researchers find

(Phys.org)—Fuel economy of all new vehicles sold in the United States is at its highest level ever, say researchers at the University of Michigan Transportation Research Institute.

Well-ordered nanorods could improve LED displays

Scientists have utilized the imaging capabilities of the Cornell High Energy Synchrotron Source (CHESS) to help develop enhanced light-emitting diode displays using bottom-up engineering methods.

X-raying stellar winds in a high-speed collision

(Phys.org)—Two massive stars racing in orbit around each other have had their colliding stellar winds X-rayed for the first time, thanks to the combined efforts of ESA's XMM-Newton and NASA's Swift space telescopes.

Suomi NPP satellite sees auroras over North America

(Phys.org)—Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm from the Sun ...

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