Air quality in Ho Chi Minh City has shown signs of decline in 2025 compared to previous years, driven primarily by rising ...
Automotive giant General Motors has filed patents for a two-stroke engine of the type whose excess emissions took it off the road decades ago as a technology seen as having no future.The patent is for ...
Delhi woke to dense smog with city AQI at 380, while several areas crossed 400 despite GRAP IV. Ministers deny conclusive AQI–lung disease links, but doctors warn toxic air triggers illness. Experts ...