Evaporation dynamics at the nano- and micro-scale

A new evaporation dynamics study finds that very small droplets evaporate more slowly than predicted by current models. Researchers from the Institute of Physical Chemistry of the Polish Academy of Sciences (IPC PAS) in Warsaw, ...

World mayors pledge emissions-free cities by 2030

The mayors of London, Los Angeles, Paris and several other major world cities are pledging to ban gasoline and diesel vehicles from "large parts" of their cities by 2030.

Cool flames for better engines

A "cool flame" may sound contradictory, but it's an important element of diesel combustion—one that, once properly understood, could enable better engine designs with higher efficiency and fewer emissions.

Soil amendments for healthier spinach

Soils keep plants healthy by providing plants with water, helpful minerals, and microbes, among other benefits. But what if the soil also contains toxic elements?

Creating longer-lasting fuel cells

Fuel cells could someday generate electricity for nearly any device that's battery-powered, including automobiles, laptops and cellphones. Typically using hydrogen as fuel and air as an oxidant, fuel cells are cleaner than ...

Even when it's sitting in storage, coal threatens human health

President Trump and his appointees have pledged to end what they call the "war on coal" – policies designed to reduce the health and environmental impacts from producing and burning coal, such as toxic air pollution and ...

Gazing into the flames of ionic winds

New 3-D visualizations that reveal how flames respond to electric fields could help improve combustion efficiency and reduce pollution.

Volkswagen to electrify entire range by 2030

German carmaker Volkswagen doubled down Monday on efforts to clean up its image tarnished by the dieselgate scandal, vowing ahead of the IAA auto industry show to electrify its entire range by 2030.

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