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US SOLAR ROOFTOP
In 2022, Texas homeowner installs a $48,000 solar system. Four years later, he ended up with a $7,000 negative electric balance- Chicago planted a 20,300-square-foot green roof on City Hall; EPA says its surface can be about 100°F cooler than nearby conventional roofs and saves nearly $5,000 in energy each year
- In St. Paul, Penfield added a vegetated roof over a conventional membrane; monitoring found the green-roof membrane peaked about 51°F cooler than the conventional roof
- In 2001, researchers tested a white roof on a large Austin retail store; the study reported lower roof temperatures and an 11% reduction in cooling energy useA 2001 study in Austin demonstrated that white roofs lowered building temperatures significantly. This change reduced air conditioning ener...05 Sep, 2026, 01.40 PM IST
- In 1991, EPFL scientists Brian O’Regan and Michael Grätzel developed solar cells inspired by plant photosynthesis. 34 years later, the technology had reached 12% efficiencyIn 1991, EPFL scientists Brian O’Regan and Michael Grätzel developed a solar cell inspired by plant photosynthesis. Their dye-sensitized so...04 Sep, 2026, 07.25 PM IST
- In 2024, Stanford-linked researchers redesigned radiative cooling for vertical walls; the emitter ran 2.5°C below ambient and 8.9°C cooler than white paintA team of researchers has unveiled a groundbreaking material designed to cool building walls effectively. This revolutionary emitter has th...02 Sep, 2026, 03.40 PM IST
- In 2023, CUHK researchers milled glass bubbles for 5 minutes before mixing cooling paint; solar reflectivity rose from 75.8% to 95.8% during field tests at noonInnovative researchers have unveiled a groundbreaking paint designed for energy-free cooling in buildings. By incorporating larger glass bu...02 Sep, 2026, 02.20 PM IST
- City University of Hong Kong built a radiative-cooling ceramic tile reflecting 99.6% of sunlight; field tests found it about 5°C cooler than standard tilesResearchers developed a new ceramic tile inspired by beetles. This tile reflects 99.6% of sunlight and releases absorbed heat effectively. ...01 Sep, 2026, 06.50 PM IST
- Notre Dame engineers tested a clear window coating that filters solar heat; model interiors stayed up to 7.2°C cooler without electricityInnovators have developed a cutting-edge transparent coating that effectively blocks solar heat while still allowing natural light to perme...30 Aug, 2026, 03.20 PM IST
- Bernstein cuts PFC, REC target prices as bank competition weighs on loan growthBernstein has retained an Outperform rating on Power Finance Corporation (PFC) and REC but cut its target prices and loan-growth estimates,...26 Aug, 2026, 11.13 PM IST
- In 2025, First Solar began production at a 2.4-million-square-foot Louisiana plant. 1 year later, it can turn raw glass into 12 finished panels every minuteA massive Louisiana solar panel factory operates independently of new import tariffs. This plant produces panels using a unique cadmium tel...26 Aug, 2026, 10.42 PM IST
- Stanford ran water beneath mirror-like rooftop panels; they cooled it 3–5°C below the surrounding air by sending heat into spaceResearchers at Stanford have created innovative panels that cool water exclusively using sunlight and mirrors. These panels effectively ref...21 Aug, 2026, 01.00 PM IST
- ETMarkets Management Talk | Crompton 2.0: How premiumisation, innovation and smart products could reshape growth: Kaleeswaran ArunachalamOver the last decade, Crompton has expanded beyond its core categories through sustained investments in technology and product innovation.21 Aug, 2026, 08.36 AM IST
- AI won’t create India’s jobs crisis, but it could deepen itEducated youth face a challenging job market with fewer middle-skill opportunities. Many new jobs are in low-productivity agriculture or in...16 Aug, 2026, 10.57 PM IST
- In 1956, solar power was priced at about $1,865 per watt and survived largely because spacecraft needed lightweight power. Decades later, prices fell below 50 cents per watt and solar became the cheapest new electricitySolar power once cost a staggering $1,865 per watt in inflation-adjusted terms. Today, solar panels can cost only a fraction of a dollar pe...16 Aug, 2026, 07.12 PM IST
- In 2018, the U.S. Air Force signed a 35-year lease for underused Mojave desert land. 8 years later, the site hosts 1.9 million solar panels, turning a historic aircraft testing ground into a massive renewable-energy hubIn 2018, the U.S. Air Force signed a 35-year lease for underused desert land at Edwards Air Force Base in California. What happened next wa...13 Aug, 2026, 06.07 PM IST
- Fujiyama commissions 2 GW power electronics manufacturing facility at RatlamFujiyama Power Systems has commissioned a new 2 GW power electronics manufacturing facility. This facility in Ratlam will produce solar inv...08 Aug, 2026, 02.08 PM IST
- Purdue University created paint so white that a coated surface stayed 8°F below the surrounding air at noonPurdue University researchers developed an ultra-white paint reflecting nearly all sunlight. This innovative paint keeps surfaces cooler th...05 Aug, 2026, 05.37 PM IST
- In 2010, a study suggested the coolest solution to global warming might also be the simplest; a fresh coat of white paint could help cool the planet: How white roofs may reduce urban heat and support climate action?In 2010, a study suggested the coolest solution to global warming might also be the simplest; a fresh coat of white paint could help cool t...28 Jul, 2026, 01.45 AM IST
- Mangalam Worldwide Q1 Results: Profit rises 19% to Rs 12 croreMangalam Worldwide Ltd has achieved a remarkable 18.7 percent increase in profit after tax for the quarter ending June 2026, accompanied by...27 Jul, 2026, 03.10 PM IST
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