No one likes sitting at a red light. But signalized intersections aren’t just a nuisance for drivers; vehicles consume fuel and emit gases.

Soil on the moon contains active compounds that can convert carbon dioxide into oxygen and fuels, scientists in China report.

Alex became the proud owner of the world's smallest car - an adorable blue Peel P50 - after seeing Jeremy Clarkson drive one on Top Gear.

If carbon dioxide could be converted into energy, it would be killing two birds with one stone in addressing the environmental issues.

It sounds like modern-day alchemy: Transforming sugar into hydrocarbons found in gasoline. But that’s exactly what scientists have done.

A new way to convert ammonia to nitrogen gas through a process that could be a step toward ammonia replacing carbon-based fuels.

Mars is a potential source of what is sure to be one of the most valuable elements in the space economy—hydrogen.

Researchers have developed a concept that would make rocket fuel on Mars, that could be used to launch future astronauts back to Earth.

Engineers are developing new ways to convert greenhouse gases to fuel to address climate change and get astronauts home from Mars.