Large subsidies often aren't enough to convince low- to moderate-income people to install rooftop solar panels, according to a new study, raising questions about the limits of the technology's usefulness for decarbonizing electricity.

New Jersey's Legislature passed a bill last night to multiply twelvefold the number of electric vehicles registered in the state and increase charging infrastructure, despite criticisms about the cost to ratepayers.

Hydrogen fuel cells could be cheaper than batteries and diesel engines as a power source for commercial vehicles by 2027, according to a new analysis, but some experts say the technology may not be as environmentally friendly as electric trucks.

The proliferation of electric scooters has led to a "dramatic increase" in injuries and hospital admissions, according to a new study, raising questions about how governments should regulate a technology billed as a climate-friendly alternative to personal cars.

Australian scientists say they've developed a lithium-sulfur battery durable enough to become the preferred power source for electric vehicles with double the range of a Tesla.