Duke Energy Corp. said yesterday it would aim to become carbon neutral by 2050, joining a small but growing club of investor-owned utilities pledging to reach "net-zero" emissions for power generation.

More large-scale solar projects are waiting to be built than ever before, as utilities and corporations move to lock up deals before federal tax incentives diminish, according to an analysis released today by Wood Mackenzie and the Solar Energy Industries Association (SEIA).

Drivers of electric vehicles are being unfairly singled out by states trying to replenish eroding funds for highway repairs, according to a new analysis from Consumer Reports.

Residences deployed more energy storage during the second quarter of this year than ever before, but industry representatives are warning that new tariffs could stall growth.

Democratic presidential candidates are proposing electric vehicle targets that would effectively phase out the sale of new gas cars in 10 years, fueling a debate about how fast change can occur in the transportation sector.