Long considered a problematic way to reduce carbon emissions, regulations may be our best option.
A new type of flow battery could allow renewable-energy developers to store power until it’s most valuable.
A recent demonstration involving two trucks tethered by computer control shows how automation and vehicle-to-vehicle communication are creeping onto the roads.
Although major reports conclude that avoiding climate change is affordable, costs could skyrocket without smart, immediate action.
Elon Musk says he's increasingly confident that a massive factory will lower battery costs enough for a mass-market electric vehicle.
Subtracting nuclear reactors in the U.S. could make it tougher to meet climate goals.
Recent data clarify the trends causing emissions to shrink to their lowest level since 1995.
Ambri raises money to build a commercial-scale factory for batteries that promise low-cost, multi-hour energy storage for the grid.
Coal power plants in Saskatchewan and Mississippi will limit emissions, thanks to special circumstances.
Carbon dioxide injected into a geothermal reservoir would be stored permanently by turning into rock.