Alternative Energy Technology

A new report calls on the U.S. to lead on global fuel economy standards

Editor's Note: This is the fourth post in a series by Ulyana Horodyskyj, a geologist who is trying to determine how airborne particles such as soot that settle on massive glaciers affect how fast the ice melts.

Electric cars, no matter how sexy, still have a battery problem

Each year, Lawrence Livermore National Laboratory publishes a powerful graphic of U.S. energy use. In the most recent version, one can see how the ~97 quadrillion british-thermal units (quads) of energy used in the United States can be broken down by uses and sectors.

Cutting power plant emissions is helpful, but the magnitude of the climate problem warrants a carbon tax

Climate change experts want more certain actions than are called for in the new proposed rule to cut carbon dioxide from power plants

In a first, the fuel released more energy than it absorbed

Here's a primer on the EPA's upcoming rules for polluting power plants

The Berlin Air Show witnessed a silent, clean test flight by Airbus's E-Fan two-seater aircraft, which is entirely propelled by electricity

In Europe and the U.S. cost overruns and delays raise questions about the market for a new generation of safer nuclear reactors