Carbon dioxide emissions reached a record high in 2022

Communities around the world emitted more carbon dioxide in 2022 than in any other year on records dating to 1900, a result of air travel rebounding from the pandemic and more cities turning to coal as a low-cost source of ...

Fuel efficient tech may threaten climate, public health

New automotive technology that promises enhanced fuel efficiency may have a serious downside, including significant climate and public health impacts, according to research from the University of Georgia College of Engineering.

Ammonia for fuel cells

Fuel cells are pollution-free power sources that convert chemical energy to electricity with high efficiency and zero emissions. Fuel cell cars, trucks, and buses would allow people to travel long distances with convenient ...

Will electric vehicles take over the world?

As more people and goods move around the planet, our cars, planes, trains, and ships are having a growing impact on the climate. Transportation now generates almost a quarter of the world's greenhouse gas emissions, and in ...

Obama admin unveils new truck fuel standards

The Obama administration on Tuesday unveiled new fuel efficiency standards for heavy-duty vehicles, which it said would both reduce carbon emissions and save drivers billions of dollars at the pump.

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