Electricity is only one part of the green energy puzzle we need to solve.

City streets were built to accommodate cars, but the COVID-19 pandemic has scrambled our transport needs. Many cities are moving to make streets more people-friendly and less car-centric.

Without plastic shielding between seats or more efficient engines, the environmental benefits of public transport are lost.

Swapping out a gas-powered Uber or Lyft vehicle with an electric car cuts emissions three times more than when an individual driver makes that switch, research finds.

E-scooters and e-bikes are coming to Britain's streets, but it may be a bumpy ride.

New liquid-fueled fuel cells outdo the voltage of conventional hydrogen fuel cells. Researchers call it a "game changer."

Study finds simple changes in road resurfacing practices could improve gas mileage for heavy vehicles and reduce greenhouse gas emissions.

A move from public transportation to single-rider cars due to COVID-19 may create a new boom in traffic. See how your city could fare with a new tool.

The pandemic has forced many people to shift from public transport to car travel. But is this likely to be permanent?