July 1, 2015, 8am PDT
The answer depends on location, according to previous studies on EVs. The study from NBER evaluated both gas and electric-powered vehicles to determine their effect on the environment. A surprising recommendation is a new road funding option.
August 15, 2013, 6am PDT
According to a new report from Climate Central, your EV is only as clean as the power plant used to generate the electricity it runs on. Furthermore, due to the huge carbon cost of batteries, a hybrid may be more climate-friendly than a plug-in.
May 29, 2013, 11am PDT
With electricity demand slowing, the model of continued growth that has kept public utilities in operation for the last century needs rethinking. David Roberts examines how utilities will need to change to suit the coming ‘century of electricity’.
November 7, 2012, 12pm PST
A recent study documents the shift from large-scale units of production to smaller mass-produced units that can be dispersed across many locations. This shift promises to change a host of industries, from transportation to power generation.
September 21, 2012, 6am PDT
Dr. Jay Apt offers four cost-effective steps for cities to maintain essential services when the next big blackout hits.
March 19, 2012, 6am PDT
A new report attributes a 9% decrease in greenhouse gas emissions from the nation's power plants in 2009 to the relatively cheap price of generating electricity from natural gas versus coal.
Homeland Security News Wire
September 21, 2010, 11am PDT
Hong Kong and Singapore are two thriving, rival Asian cities. But when evaluated in terms of livability, Hong Kong was rated #71 while Singapore scored #28. Singapore's cleaner air was considered a major factor. Hong Kong is making changes.
November 11, 2008, 9am PST
As renewables replace polluting, carbon-intensive power sources, the reliability of the nation's electricity will be impaired because of the inability of the grid to accommodate power produced from distant sources, according to a new report.