With the Ariya electric crossover almost here, last year Nissan gave the Nissan Leaf a price cut of more than $4,000—making it the cheapest electric vehicle on the U.S. market. Now it’s kept the 2023 ...

Plants are nature’s air purifiers. They take in carbon dioxide (CO2) and, through photosynthesis, create oxygen and energy. Researchers have designed various “artificial leaves” that mimic this ...

Researchers from Rice University have built a simple new solar-powered device that can create hydrogen for fuel by splitting water. The system is very similar to other “artificial leaf” designs, but ...