Energy & Green Tech

Reversible fuel cells can support grid economically, study finds

A major challenge for producers of electricity from solar panels and wind turbines is akin to capturing lightning in a bottle. Both solar and wind increasingly generate electricity amid little demand, when market prices are ...

Energy & Green Tech

New vehicles must average 40 mpg by 2026, up from 28 mpg

New vehicles sold in the U.S. will have to average at least 40 miles per gallon of gasoline in 2026, up from about 28 mpg, under new federal rules unveiled Friday that undo a rollback of standards enacted under President ...

Engineering

New method purifies hydrogen from heavy carbon monoxide mixtures

Refining metals, manufacturing fertilizers and powering fuel cells for heavy vehicles are all processes that require purified hydrogen. But purifying, or separating, that hydrogen from a mix of other gases can be difficult, ...

Energy & Green Tech

Conversion process turns carbon dioxide into cash

Engineers at the University of Cincinnati have developed a promising electrochemical system to convert emissions from chemical and power plants into useful products while addressing climate change.

Energy & Green Tech

Germany calls nuclear power 'dangerous,' rejects EU plan

The German government said Monday that it considers nuclear energy dangerous and objects to European Union proposals that would let the technology remain part of the bloc's plans for a climate-friendly future.

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