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Photovoltaic inventions increased seventeen-fold in three decades

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The European Patent Office’s Observatory on Patents and Technology says innovation in PV has grown more than seventeen-fold over the last three decades. The office’s technology insight report analyzes trends across 30 technologies over five decades. It… 

Why future lies in sustainable finance

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The country’s banking sector has undergone a significant transformation in lending activities over the past four years, as sustainable finance has become a central consideration for both banks and non-bank financial institutions under the guidance… 

Netherlands registers record number of negative energy prices

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The Netherlands registered 474 hours with negative electricity prices over the first eight months of 2025, according to figures from Dutch consultancy Stratergy. The figure surpasses the number of negative price hours in the Netherlands across 2024, which… 

Bangladesh’s export to Brazil up 26% in FY25

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Bangladesh’s multilateral engagement with Brazil, particularly in the economic sector, has deepened as Dhaka and Brasilia explore new avenues to elevate bilateral relations to greater heights, diplomatic and trade sources said. According to the Export… 

All-perovskite PV-powered battery for portable electronics

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A research team from the City University of Hong Kong has developed an integrated PV-powered battery (PVB) for portable electronics that can purportedly achieve stable photo-charging/discharging cyclability. The scientists said that, in the design of the new device,… 

Solar panel cleaning drones for rooftop, ground-mounted PV systems

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French uncrewed aerial systems (UAS) manufacturer Objectif Drone has developed a drone-based solar panel spray cleaning system for professional solar plant maintenance teams. Suitable for rooftop and ground-mounted PV systems, the Chronos model can reach… 

The life cycles of household brands

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If you grew up in Bangladesh before the early 2000s, chances are this jingle still echoes in your memory even if you never used Cosco soap. For all latest news, follow The Daily Star’s Google…